diff --git a/content/base/public/nsContentPolicyUtils.h b/content/base/public/nsContentPolicyUtils.h
index 287eb14c910..560c3cdbee5 100644
--- a/content/base/public/nsContentPolicyUtils.h
+++ b/content/base/public/nsContentPolicyUtils.h
@@ -138,7 +138,6 @@ NS_CP_ContentTypeName(PRUint32 contentType)
     CASE_RETURN( TYPE_OBJECT_SUBREQUEST );
     CASE_RETURN( TYPE_DTD               );
     CASE_RETURN( TYPE_FONT              );
-    CASE_RETURN( TYPE_MEDIA             );
    default:
     return "<Unknown Type>";
   }
diff --git a/content/base/public/nsIContentPolicy.idl b/content/base/public/nsIContentPolicy.idl
index 06268da5802..d9ed73815b7 100644
--- a/content/base/public/nsIContentPolicy.idl
+++ b/content/base/public/nsIContentPolicy.idl
@@ -51,7 +51,7 @@ interface nsIDOMNode;
  * by launching a dialog to prompt the user for something).
  */
 
-[scriptable,uuid(344f9cb0-9a17-44c5-ab96-ee707884266c)]
+[scriptable,uuid(58cf9dca-40b3-6211-a508-7351f437a53e)]
 interface nsIContentPolicy : nsISupports
 {
   const unsigned long TYPE_OTHER       = 1;
@@ -131,11 +131,6 @@ interface nsIContentPolicy : nsISupports
    */
   const unsigned long TYPE_FONT = 14;
 
-  /**
-   * Indicates a video or audio load.
-   */
-  const unsigned long TYPE_MEDIA = 15;  
-
   //////////////////////////////////////////////////////////////////////
 
   /**
diff --git a/content/html/content/public/nsHTMLMediaElement.h b/content/html/content/public/nsHTMLMediaElement.h
index f4643b4bbf6..8ef91f151e8 100644
--- a/content/html/content/public/nsHTMLMediaElement.h
+++ b/content/html/content/public/nsHTMLMediaElement.h
@@ -138,10 +138,6 @@ public:
   // events can be fired.
   void ChangeReadyState(nsMediaReadyState aState);
 
-  // Gets the pref media.enforce_same_site_origin, which determines
-  // if we should check Access Controls, or allow cross domain loads.
-  PRBool ShouldCheckAllowOrigin();
-
   // Is the media element potentially playing as defined by the HTML 5 specification.
   // http://www.whatwg.org/specs/web-apps/current-work/#potentially-playing
   PRBool IsPotentiallyPlaying() const;
diff --git a/content/html/content/src/nsHTMLMediaElement.cpp b/content/html/content/src/nsHTMLMediaElement.cpp
index a0380155e51..536d332df11 100644
--- a/content/html/content/src/nsHTMLMediaElement.cpp
+++ b/content/html/content/src/nsHTMLMediaElement.cpp
@@ -71,11 +71,6 @@
 #include "nsICategoryManager.h"
 #include "nsCommaSeparatedTokenizer.h"
 
-#include "nsIContentPolicy.h"
-#include "nsContentPolicyUtils.h"
-#include "nsContentErrors.h"
-#include "nsCrossSiteListenerProxy.h"
-
 #ifdef MOZ_OGG
 #include "nsOggDecoder.h"
 #endif
@@ -221,7 +216,7 @@ PRBool nsHTMLMediaElement::AbortExistingLoads()
 
   if (mBegun) {
     mBegun = PR_FALSE;
-    mError = new nsHTMLMediaError(nsIDOMHTMLMediaError::MEDIA_ERR_ABORTED);
+    mError = new nsHTMLMediaError(nsHTMLMediaError::MEDIA_ERR_ABORTED);
     DispatchProgressEvent(NS_LITERAL_STRING("abort"));
     return PR_TRUE;
   }
@@ -260,20 +255,6 @@ NS_IMETHODIMP nsHTMLMediaElement::Load()
     mChannel = nsnull;
   }
 
-  PRInt16 shouldLoad = nsIContentPolicy::ACCEPT;
-  rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_MEDIA,
-                                 uri,
-                                 NodePrincipal(),
-                                 this,
-                                 EmptyCString(), // mime type
-                                 nsnull, // extra
-                                 &shouldLoad,
-                                 nsContentUtils::GetContentPolicy(),
-                                 nsContentUtils::GetSecurityManager());
-  if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
-    return NS_ERROR_CONTENT_BLOCKED;
-  }
-
   rv = NS_NewChannel(getter_AddRefs(mChannel),
                      uri,
                      nsnull,
@@ -285,27 +266,8 @@ NS_IMETHODIMP nsHTMLMediaElement::Load()
   // The listener holds a strong reference to us.  This creates a reference
   // cycle which is manually broken in the listener's OnStartRequest method
   // after it is finished with the element.
-  nsCOMPtr<nsIStreamListener> loadListener = new nsMediaLoadListener(this);
-  NS_ENSURE_TRUE(loadListener, NS_ERROR_OUT_OF_MEMORY);
-
-  nsCOMPtr<nsIStreamListener> listener;
-  if (ShouldCheckAllowOrigin()) {
-    listener = new nsCrossSiteListenerProxy(loadListener,
-                                            NodePrincipal(),
-                                            mChannel, 
-                                            PR_FALSE,
-                                            &rv);
-    NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
-    NS_ENSURE_SUCCESS(rv, rv);
-  } else {
-    rv = nsContentUtils::GetSecurityManager()->
-           CheckLoadURIWithPrincipal(NodePrincipal(),
-                                     uri,
-                                     nsIScriptSecurityManager::STANDARD);
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    listener = loadListener;
-  }
+  nsCOMPtr<nsIStreamListener> listener = new nsMediaLoadListener(this);
+  NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
 
   nsCOMPtr<nsIHttpChannel> hc = do_QueryInterface(mChannel);
   if (hc) {
@@ -988,7 +950,7 @@ void nsHTMLMediaElement::ResourceLoaded()
 
 void nsHTMLMediaElement::NetworkError()
 {
-  mError = new nsHTMLMediaError(nsIDOMHTMLMediaError::MEDIA_ERR_NETWORK);
+  mError = new nsHTMLMediaError(nsHTMLMediaError::MEDIA_ERR_NETWORK);
   mBegun = PR_FALSE;
   DispatchProgressEvent(NS_LITERAL_STRING("error"));
   mNetworkState = nsIDOMHTMLMediaElement::NETWORK_EMPTY;
@@ -1019,12 +981,6 @@ void nsHTMLMediaElement::SeekCompleted()
   DispatchAsyncSimpleEvent(NS_LITERAL_STRING("seeked"));
 }
 
-PRBool nsHTMLMediaElement::ShouldCheckAllowOrigin()
-{
-  return nsContentUtils::GetBoolPref("media.enforce_same_site_origin",
-                                     PR_TRUE);
-}
-
 void nsHTMLMediaElement::ChangeReadyState(nsMediaReadyState aState)
 {
   // Handle raising of "waiting" event during seek (see 4.8.10.9)
diff --git a/content/media/video/public/nsMediaDecoder.h b/content/media/video/public/nsMediaDecoder.h
index ef8289c57a7..f103ad05ef2 100644
--- a/content/media/video/public/nsMediaDecoder.h
+++ b/content/media/video/public/nsMediaDecoder.h
@@ -174,10 +174,6 @@ class nsMediaDecoder : public nsIObserver
   // thread by the owning object before that object disposes of this object.  
   virtual void Shutdown();
 
-  // Returns a weak reference to the media element we're decoding for,
-  // if it's available.
-  nsHTMLMediaElement* GetMediaElement();
-
 protected:
 
   // Start timer to update download progress information.
diff --git a/content/media/video/public/nsMediaStream.h b/content/media/video/public/nsMediaStream.h
index 935f29ba2a8..568216fdc34 100644
--- a/content/media/video/public/nsMediaStream.h
+++ b/content/media/video/public/nsMediaStream.h
@@ -42,7 +42,6 @@
 #include "nsIChannel.h"
 #include "nsIPrincipal.h"
 #include "nsIURI.h"
-#include "nsIStreamListener.h"
 #include "prlock.h"
 
 class nsMediaDecoder;
diff --git a/content/media/video/src/nsChannelToPipeListener.cpp b/content/media/video/src/nsChannelToPipeListener.cpp
index afbb6fa28dd..4eb2afaeca2 100644
--- a/content/media/video/src/nsChannelToPipeListener.cpp
+++ b/content/media/video/src/nsChannelToPipeListener.cpp
@@ -41,8 +41,6 @@
 #include "nsIScriptSecurityManager.h"
 #include "nsChannelToPipeListener.h"
 #include "nsICachingChannel.h"
-#include "nsDOMError.h"
-#include "nsHTMLMediaElement.h"
 
 #define HTTP_OK_CODE 200
 #define HTTP_PARTIAL_RESPONSE_CODE 206
@@ -98,19 +96,6 @@ nsresult nsChannelToPipeListener::GetInputStream(nsIInputStream** aStream)
 
 nsresult nsChannelToPipeListener::OnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
 {
-  nsHTMLMediaElement* element = mDecoder->GetMediaElement();
-  NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
-  if (element->ShouldCheckAllowOrigin()) {
-    // If the request was cancelled by nsCrossSiteListenerProxy due to failing
-    // the Access Control check, send an error through to the media element.
-    nsresult status;
-    nsresult rv = aRequest->GetStatus(&status);
-    if (NS_FAILED(rv) || status == NS_ERROR_DOM_BAD_URI) {
-      mDecoder->NetworkError();
-      return NS_ERROR_DOM_BAD_URI;
-    }
-  }
-
   mIntervalStart = PR_IntervalNow();
   mIntervalEnd = mIntervalStart;
   mTotalBytes = 0;
diff --git a/content/media/video/src/nsMediaDecoder.cpp b/content/media/video/src/nsMediaDecoder.cpp
index 449cb69d0b7..f4b900fdb26 100644
--- a/content/media/video/src/nsMediaDecoder.cpp
+++ b/content/media/video/src/nsMediaDecoder.cpp
@@ -51,7 +51,6 @@
 #include "gfxImageSurface.h"
 #include "nsPresContext.h"
 #include "nsMediaDecoder.h"
-#include "nsDOMError.h"
 
 #ifdef PR_LOGGING
 // Logging object for decoder
@@ -241,7 +240,3 @@ void nsMediaDecoder::ElementUnavailable()
   mElement = nsnull;
 }
 
-nsHTMLMediaElement* nsMediaDecoder::GetMediaElement()
-{
-  return mElement;
-}
diff --git a/content/media/video/src/nsMediaStream.cpp b/content/media/video/src/nsMediaStream.cpp
index c5b34d970af..af56d251b17 100644
--- a/content/media/video/src/nsMediaStream.cpp
+++ b/content/media/video/src/nsMediaStream.cpp
@@ -51,9 +51,6 @@
 #include "nsIStreamListener.h"
 #include "nsIScriptSecurityManager.h"
 #include "nsChannelToPipeListener.h"
-#include "nsCrossSiteListenerProxy.h"
-#include "nsHTMLMediaElement.h"
-#include "nsIDocument.h"
 
 // For HTTP seeking, if number of bytes needing to be
 // seeked forward is less than this value then a read is
@@ -109,34 +106,11 @@ nsresult nsDefaultStreamStrategy::Open(nsIStreamListener** aStreamListener)
   nsresult rv = mListener->Init();
   NS_ENSURE_SUCCESS(rv, rv);
 
-  nsCOMPtr<nsIStreamListener> listener = do_QueryInterface(mListener);
-
   if (aStreamListener) {
     *aStreamListener = mListener;
     NS_ADDREF(mListener);
   } else {
-    // Ensure that if we're loading cross domain, that the server is sending
-    // an authorizing Access-Control header.
-    nsHTMLMediaElement* element = mDecoder->GetMediaElement();
-    NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
-    if (element->ShouldCheckAllowOrigin()) {
-      listener = new nsCrossSiteListenerProxy(mListener,
-                                              element->NodePrincipal(),
-                                              mChannel, 
-                                              PR_FALSE,
-                                              &rv);
-      NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
-      NS_ENSURE_SUCCESS(rv, rv);
-    } else {
-      // Ensure that we never load a local file from some page on a 
-      // web server.
-      rv = nsContentUtils::GetSecurityManager()->
-             CheckLoadURIWithPrincipal(element->NodePrincipal(),
-                                       mURI,
-                                       nsIScriptSecurityManager::STANDARD);
-      NS_ENSURE_SUCCESS(rv, rv);
-    }
-    rv = mChannel->AsyncOpen(listener, nsnull);
+    rv = mChannel->AsyncOpen(mListener, nsnull);
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
@@ -277,17 +251,6 @@ nsresult nsFileStreamStrategy::Open(nsIStreamListener** aStreamListener)
 
     rv = NS_NewLocalFileInputStream(getter_AddRefs(mInput), file);
   } else {
-    // Ensure that we never load a local file from some page on a 
-    // web server.
-    nsHTMLMediaElement* element = mDecoder->GetMediaElement();
-    NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
-
-    rv = nsContentUtils::GetSecurityManager()->
-           CheckLoadURIWithPrincipal(element->NodePrincipal(),
-                                     mURI,
-                                     nsIScriptSecurityManager::STANDARD);
-    NS_ENSURE_SUCCESS(rv, rv);
-
     rv = mChannel->Open(getter_AddRefs(mInput));
   }
   NS_ENSURE_SUCCESS(rv, rv);
@@ -398,7 +361,7 @@ public:
   }
   
   // These methods have the same thread calling requirements 
-  // as those with the same name in nsMediaStream.
+  // as those with the same name in nsMediaStream
   virtual nsresult Open(nsIStreamListener** aListener);
   virtual nsresult Close();
   virtual nsresult Read(char* aBuffer, PRUint32 aCount, PRUint32* aBytes);
@@ -412,14 +375,13 @@ public:
   // Return PR_TRUE if the stream has been cancelled.
   PRBool IsCancelled() const;
 
-  // This must be called on the main thread only, and at a time when the
-  // strategy is not reading from the current channel/stream. It's primary
-  // purpose is to be called from a Seek to reset to the new byte range
-  // request HTTP channel.
-  nsresult OpenInternal(nsIChannel* aChannel, PRInt64 aOffset);
-
-  // Opens the HTTP channel, using a byte range request to start at aOffset.
-  nsresult OpenInternal(nsIStreamListener **aStreamListener, PRInt64 aOffset);
+  // This must be called on the main thread only, and at a
+  // time when the strategy is not reading from the current
+  // channel/stream. It's primary purpose is to be called from
+  // a Seek to reset to the new byte range request http channel.
+  void Reset(nsIChannel* aChannel, 
+             nsChannelToPipeListener* aListener, 
+             nsIInputStream* aStream);
 
 private:
   // Listener attached to channel to constantly download the
@@ -449,25 +411,18 @@ private:
   PRPackedBool mCancelled;
 };
 
+void nsHttpStreamStrategy::Reset(nsIChannel* aChannel, 
+                                 nsChannelToPipeListener* aListener, 
+                                 nsIInputStream* aStream)
+{
+  nsAutoLock lock(mLock);
+  mChannel = aChannel;
+  mListener = aListener;
+  mPipeInput = aStream;
+}
+
 nsresult nsHttpStreamStrategy::Open(nsIStreamListener **aStreamListener)
 {
-  return OpenInternal(aStreamListener, 0);
-}
-
-nsresult nsHttpStreamStrategy::OpenInternal(nsIChannel* aChannel,
-                                            PRInt64 aOffset)
-{
-  nsAutoLock lock(mLock);
-  mChannel = aChannel;
-  return OpenInternal(static_cast<nsIStreamListener**>(nsnull), aOffset);
-}
-
-nsresult nsHttpStreamStrategy::OpenInternal(nsIStreamListener **aStreamListener,
-                                            PRInt64 aOffset)
-{
-  NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
-  NS_ENSURE_TRUE(mChannel, NS_ERROR_NULL_POINTER);
-
   if (aStreamListener) {
     *aStreamListener = nsnull;
   }
@@ -478,59 +433,34 @@ nsresult nsHttpStreamStrategy::OpenInternal(nsIStreamListener **aStreamListener,
   nsresult rv = mListener->Init();
   NS_ENSURE_SUCCESS(rv, rv);
   
-  nsCOMPtr<nsIStreamListener> listener = do_QueryInterface(mListener);
-
   if (aStreamListener) {
     *aStreamListener = mListener;
     NS_ADDREF(*aStreamListener);
   } else {
-    // Ensure that if we're loading cross domain, that the server is sending
-    // an authorizing Access-Control header.
-    nsHTMLMediaElement* element = mDecoder->GetMediaElement();
-    NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
-    if (element->ShouldCheckAllowOrigin()) {
-      listener = new nsCrossSiteListenerProxy(mListener,
-                                              element->NodePrincipal(),
-                                              mChannel, 
-                                              PR_FALSE,
-                                              &rv);
-      NS_ENSURE_TRUE(listener, NS_ERROR_OUT_OF_MEMORY);
-      NS_ENSURE_SUCCESS(rv, rv);
-    } else {
-      rv = nsContentUtils::GetSecurityManager()->
-             CheckLoadURIWithPrincipal(element->NodePrincipal(),
-                                       mURI,
-                                       nsIScriptSecurityManager::STANDARD);
-      NS_ENSURE_SUCCESS(rv, rv);
-
-    }
     // Use a byte range request from the start of the resource.
     // This enables us to detect if the stream supports byte range
     // requests, and therefore seeking, early.
     nsCOMPtr<nsIHttpChannel> hc = do_QueryInterface(mChannel);
     if (hc) {
-      nsCAutoString rangeString("bytes=");
-      rangeString.AppendInt(aOffset);
-      rangeString.Append("-");
-      hc->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, PR_FALSE);
+      hc->SetRequestHeader(NS_LITERAL_CSTRING("Range"),
+          NS_LITERAL_CSTRING("bytes=0-"),
+          PR_FALSE);
     }
  
-    rv = mChannel->AsyncOpen(listener, nsnull);
+    rv = mChannel->AsyncOpen(mListener, nsnull);
     NS_ENSURE_SUCCESS(rv, rv);
   }
   
   rv = mListener->GetInputStream(getter_AddRefs(mPipeInput));
   NS_ENSURE_SUCCESS(rv, rv);
 
-  mPosition = aOffset;
+  mPosition = 0;
 
   return NS_OK;
 }
 
-
 nsresult nsHttpStreamStrategy::Close()
 {
-  NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
   nsAutoLock lock(mLock);
   if (mChannel) {
     mChannel->Cancel(NS_BINDING_ABORTED);
@@ -566,9 +496,11 @@ class nsByteRangeEvent : public nsRunnable
 {
 public:
   nsByteRangeEvent(nsHttpStreamStrategy* aStrategy, 
+                   nsMediaDecoder* aDecoder, 
                    nsIURI* aURI, 
                    PRInt64 aOffset) :
     mStrategy(aStrategy),
+    mDecoder(aDecoder),
     mURI(aURI),
     mOffset(aOffset),
     mResult(NS_OK)
@@ -598,16 +530,35 @@ public:
       return NS_OK;
     }
 
-    nsCOMPtr<nsIChannel> channel;
     mStrategy->Close();
-    mResult = NS_NewChannel(getter_AddRefs(channel),
+    mResult = NS_NewChannel(getter_AddRefs(mChannel),
                             mURI,
                             nsnull,
                             nsnull,
                             nsnull,
                             nsIRequest::LOAD_NORMAL);
     NS_ENSURE_SUCCESS(mResult, mResult);
-    mResult = mStrategy->OpenInternal(channel, mOffset);
+    nsCOMPtr<nsIHttpChannel> hc = do_QueryInterface(mChannel);
+    if (hc) {
+      nsCAutoString rangeString("bytes=");
+      rangeString.AppendInt(mOffset);
+      rangeString.Append("-");
+      hc->SetRequestHeader(NS_LITERAL_CSTRING("Range"), rangeString, PR_FALSE);
+    }
+
+    mListener = new nsChannelToPipeListener(mDecoder, PR_TRUE);
+    NS_ENSURE_TRUE(mListener, NS_ERROR_OUT_OF_MEMORY);
+
+    mResult = mListener->Init();
+    NS_ENSURE_SUCCESS(mResult, mResult);
+
+    mResult = mChannel->AsyncOpen(mListener, nsnull);
+    NS_ENSURE_SUCCESS(mResult, mResult);
+
+    mResult = mListener->GetInputStream(getter_AddRefs(mStream));
+    NS_ENSURE_SUCCESS(mResult, mResult);
+
+    mStrategy->Reset(mChannel, mListener, mStream);
     return NS_OK;
   }
 
@@ -712,7 +663,7 @@ nsresult nsHttpStreamStrategy::Seek(PRInt32 aWhence, PRInt64 aOffset)
 
   // Don't acquire mLock in this scope as we do a synchronous call to the main thread
   // which would deadlock if that thread is calling Close().
-  nsCOMPtr<nsByteRangeEvent> event = new nsByteRangeEvent(this, mURI, aOffset);
+  nsCOMPtr<nsByteRangeEvent> event = new nsByteRangeEvent(this, mDecoder, mURI, aOffset);
   NS_DispatchToMainThread(event, NS_DISPATCH_SYNC);
 
   // If the sync request fails, or a call to Cancel() is made during the request,
diff --git a/content/media/video/test/320x240.allow-origin.ogg b/content/media/video/test/320x240.allow-origin.ogg
deleted file mode 100644
index 093158432ac..00000000000
Binary files a/content/media/video/test/320x240.allow-origin.ogg and /dev/null differ
diff --git a/content/media/video/test/320x240.allow-origin.ogg^headers^ b/content/media/video/test/320x240.allow-origin.ogg^headers^
deleted file mode 100644
index cb762eff806..00000000000
--- a/content/media/video/test/320x240.allow-origin.ogg^headers^
+++ /dev/null
@@ -1 +0,0 @@
-Access-Control-Allow-Origin: *
diff --git a/content/media/video/test/Makefile.in b/content/media/video/test/Makefile.in
index 5180ed93d45..68ba3f440fa 100644
--- a/content/media/video/test/Makefile.in
+++ b/content/media/video/test/Makefile.in
@@ -60,9 +60,6 @@ _TEST_FILES = \
 
 ifdef MOZ_OGG
 _TEST_FILES += \
-		test_access_control.html \
-		test_access_control-2.html \
-		file_access_controls.html \
 		test_bug448534.html \
 		test_bug461281.html \
 		test_can_play_type_ogg.html \
@@ -82,10 +79,7 @@ _TEST_FILES += \
 		test_timeupdate2.html \
 		test_timeupdate3.html \
 		320x240.ogg \
-		320x240.allow-origin.ogg \
-		320x240.allow-origin.ogg^headers^ \
 		bug461281.ogg \
-		redirect.sjs \
 		seek.ogg \
 		$(NULL)
 else
diff --git a/content/media/video/test/file_access_controls.html b/content/media/video/test/file_access_controls.html
deleted file mode 100644
index feea86f2e8a..00000000000
--- a/content/media/video/test/file_access_controls.html
+++ /dev/null
@@ -1,135 +0,0 @@
-<html>
-<head>
-<script>
-
-// Page URL: http://example.org/tests/content/media/video/test/file_access_controls.html
-
-var gTests = [
-  {
-    url: "redirect.sjs?http://example.com/tests/content/media/video/test/320x240.ogg",
-    result: "error",
-    description: "Won't load when redirected to different domain",
-  },{
-    url: "redirect.sjs?http://example.com/tests/content/media/video/test/320x240.allow-origin.ogg",
-    result: "loaded",
-    description: "Can load when redirected to different domain with allow-origin",
-  },{
-    url: "redirect.sjs?http://test1.example.org/tests/content/media/video/test/320x240.ogg",
-    result: "error",
-    description: "Won't load when redirected to subdomain",
-  },{
-    url: "redirect.sjs?http://test1.example.org/tests/content/media/video/test/320x240.allow-origin.ogg",
-    result: "loaded",
-    description: "Can load when redirected to subdomain with allow-origin",
-  },{
-    url: "redirect.sjs?http://example.org/tests/content/media/video/test/320x240.ogg",
-    result: "loaded",
-    description: "Can load when redirected to same domain",
-  },{
-    url: "http://example.org/tests/content/media/video/test/320x240.ogg",
-    result: "loaded",
-    description: "Can load from same domain"
-  },{
-    url: "http://example.org:8000/tests/content/media/video/test/320x240.ogg",
-    result: "error",
-    description: "Won't load from differnet port on same domain"
-  },{
-    url: "http://example.org:8000/tests/content/media/video/test/320x240.allow-origin.ogg",
-    result: "loaded",
-    description: "Can load from different port on same domain with allow-origin",
-  },{
-    url: "http://example.com/tests/content/media/video/test/320x240.ogg",
-    result: "error",
-    description: "Won't load cross domain",
-  },{
-    url: "http://example.com/tests/content/media/video/test/320x240.allow-origin.ogg",
-    result: "loaded",
-    description: "Can load cross domain with allow-origin",
-  },{
-    url: "http://test1.example.org/tests/content/media/video/test/320x240.allow-origin.ogg",
-    result: "loaded",
-    description: "Can load from subdomain with allow-origin",
-  },{
-    url: "http://test1.example.org/tests/content/media/video/test/320x240.ogg",
-    result: "error",
-    description: "Won't load from subdomain",
-  }
-];
-
-var gTestNum = 0;
-var gExpectedResult = null;
-var gTestDescription = null;
-var video = null;
-var gTestedRemoved = false;
-var gOldPref;
-
-function result(code) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  dump("result " + code);
-  opener.is(code, gExpectedResult, gTestDescription);
-  nextTest();
-}
-
-function load() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  opener.is(window.location.href,
-            "http://example.org/tests/content/media/video/test/file_access_controls.html",
-            "We must be on a example.org:80");
-  video = document.getElementById('video');
-  
-  // Ensure access control check pref is on.
-  // media.enforce_same_site_origin
-  var prefService = Components.classes["@mozilla.org/preferences-service;1"]
-                               .getService(Components.interfaces.nsIPrefService);
-  opener.ok(prefService!=null, "Get pref service");
-  var branch = prefService.getBranch("media.");
-  opener.ok(branch!=null, "Get media pref branch");
-  gOldPref = branch.getBoolPref("enforce_same_site_origin");
-  branch.setBoolPref("enforce_same_site_origin", true);
-  nextTest();
-}
-
-function nextTest() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  if (gTestNum == gTests.length) {
-    if (!gTestedRemoved) {
-      // Repeat all tests with element removed from doc, should get same result.
-      video.parentNode.removeChild(video);
-      gTestedRemoved = true;
-      gTestNum = 0;
-    } else {
-      // We're done, exit the test.
-      window.close();
-      return;
-    }
-  }
-  gExpectedResult = gTests[gTestNum].result;
-  gTestDescription = gTests[gTestNum].description;
-  video.src = gTests[gTestNum].url;
-  gTestNum++;
-}
-
-function done() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  // Undo change to access control check pref.
-  var prefService = Components.classes["@mozilla.org/preferences-service;1"]
-                               .getService(Components.interfaces.nsIPrefService);
-  var branch = prefService.getBranch("media.");
-  branch.setBoolPref("enforce_same_site_origin", gOldPref);
-  opener.done();
-}
-
-</script>
-
-
-</head>
-<body onload="load();" onunload="done()">
-
-  <!-- Change onloadedfirstframe to onloadeddata after bug 462570 lands -->
-  <video id="video"
-         onloadeddata="result('loaded');" 
-         onerror="result('error');">
-  </video>
-</body>
-</html>
-
diff --git a/content/media/video/test/redirect.sjs b/content/media/video/test/redirect.sjs
deleted file mode 100644
index b6249cadff1..00000000000
--- a/content/media/video/test/redirect.sjs
+++ /dev/null
@@ -1,5 +0,0 @@
-function handleRequest(request, response)
-{
-  response.setStatusLine(request.httpVersion, 301, "Moved Permanently");
-  response.setHeader("Location", request.queryString, false);
-}
diff --git a/content/media/video/test/test_access_control.html b/content/media/video/test/test_access_control.html
deleted file mode 100644
index a39a3f22820..00000000000
--- a/content/media/video/test/test_access_control.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=451958
--->
-<head>
-  <title>Test for Bug 451958</title>
-  <script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=451958">Mozilla Bug 451958</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 451958 **/
-
-function run() {
-  window.open("http://example.org:80/tests/content/media/video/test/file_access_controls.html", "", "width=500,height=500");
-}
-
-function done() {
-  SimpleTest.finish();
-}
-
-addLoadEvent(run);
-SimpleTest.waitForExplicitFinish();
-  
-</script>
-</pre>
-</body>
-</html>
diff --git a/modules/libpref/src/init/all.js b/modules/libpref/src/init/all.js
index c1760d4ccb9..5ec8aa68fe1 100644
--- a/modules/libpref/src/init/all.js
+++ b/modules/libpref/src/init/all.js
@@ -131,10 +131,6 @@ pref("browser.chrome.image_icons.max_size", 1024);
 
 pref("browser.triple_click_selects_paragraph", true);
 
-// When loading <video> or <audio>, check for Access-Control-Allow-Origin
-// header, and disallow the connection if not present or permitted.
-pref("media.enforce_same_site_origin", false);
-
 #ifdef MOZ_OGG
 pref("media.ogg.enabled", true);
 #endif