Bug 855570 - Deprecate Audio Data API. r=ehsan

content/base/public/nsDeprecatedOperationList.h

@@ -28,3 +28,4 @@ DEPRECATED_OPERATION(MozSlice)
 DEPRECATED_OPERATION(Components)
 DEPRECATED_OPERATION(PrefixedVisibilityAPI)
 DEPRECATED_OPERATION(NodeIteratorDetach)
+DEPRECATED_OPERATION(MozAudioData)

content/html/content/src/HTMLAudioElement.cpp

@@ -18,6 +18,7 @@
 #include "AudioChannelCommon.h"
 #include <algorithm>
 #include "mozilla/Preferences.h"
+#include "mozilla/dom/EnableWebAudioCheck.h"
 
 DOMCI_NODE_DATA(HTMLAudioElement, mozilla::dom::HTMLAudioElement)
 
@@ -156,6 +157,10 @@ HTMLAudioElement::MozSetup(uint32_t aChannels, uint32_t aRate, ErrorResult& aRv)
     return;
   }
 
+  if (dom::EnableWebAudioCheck::PrefEnabled()) {
+    OwnerDoc()->WarnOnceAbout(nsIDocument::eMozAudioData);
+  }
+
   // If there is already a src provided, don't setup another stream
   if (mDecoder) {
     aRv.Throw(NS_ERROR_FAILURE);

content/html/content/src/HTMLMediaElement.cpp

@@ -66,6 +66,7 @@
 #include "nsIScriptError.h"
 #include "nsHostObjectProtocolHandler.h"
 #include "MediaMetadataManager.h"
+#include "mozilla/dom/EnableWebAudioCheck.h"
 
 #include "AudioChannelService.h"
 
@@ -3536,6 +3537,9 @@ NS_IMETHODIMP HTMLMediaElement::GetMozFragmentEnd(double* aTime)
 
 void HTMLMediaElement::NotifyAudioAvailableListener()
 {
+  if (dom::EnableWebAudioCheck::PrefEnabled()) {
+    OwnerDoc()->WarnOnceAbout(nsIDocument::eMozAudioData);
+  }
   if (mDecoder) {
     mDecoder->NotifyAudioAvailableListener();
   }

dom/locales/en-US/chrome/dom/dom.properties

@@ -134,3 +134,5 @@ OldCSPHeaderDeprecated=The X-Content-Security-Policy and X-Content-Security-Repo
 BothCSPHeadersPresent=This site specified both an X-Content-Security-Policy/Report-Only header and a Content-Security-Policy/Report-Only header. The X-Content-Security-Policy/Report-Only header(s) will be ignored.
 # LOCALIZATION NOTE: Do not translate "NodeIterator" or "detach()".
 NodeIteratorDetachWarning=Calling detach() on a NodeIterator no longer has an effect.
+# LOCALIZATION NOTE: Do not translate "Mozilla Audio Data API" and "Web Audio API".
+MozAudioDataWarning=The Mozilla Audio Data API is deprecated.  Please use the Web Audio API instead.