diff --git a/content/base/src/nsDocumentEncoder.cpp b/content/base/src/nsDocumentEncoder.cpp
index d375d86013a2..a058fb3544bc 100644
--- a/content/base/src/nsDocumentEncoder.cpp
+++ b/content/base/src/nsDocumentEncoder.cpp
@@ -1202,12 +1202,18 @@ nsDocumentEncoder::EncodeToStream(nsIOutputStream* aStream)
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
-  mStream = aStream;
-
+  bool chromeCaller = nsContentUtils::IsCallerChrome();
+  if (chromeCaller) {
+    mStream = aStream;
+  }
   nsAutoString buf;
 
   rv = EncodeToString(buf);
 
+  if (!chromeCaller) {
+    mStream = aStream;
+  }
+
   // Force a flush of the last chunk of data.
   FlushText(buf, true);
 
diff --git a/content/base/src/nsXMLHttpRequest.cpp b/content/base/src/nsXMLHttpRequest.cpp
index 925da46f427b..ac6962e4a476 100644
--- a/content/base/src/nsXMLHttpRequest.cpp
+++ b/content/base/src/nsXMLHttpRequest.cpp
@@ -2494,8 +2494,12 @@ GetRequestBody(nsIDOMDocument* aDoc, nsIInputStream** aResult,
   NS_ENSURE_SUCCESS(rv, rv);
 
   // Make sure to use the encoding we'll send
-  rv = serializer->SerializeToStream(aDoc, output, aCharset);
-  NS_ENSURE_SUCCESS(rv, rv);
+  {
+    nsCxPusher pusher;
+    pusher.PushNull();
+    rv = serializer->SerializeToStream(aDoc, output, aCharset);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
 
   output->Close();
 
diff --git a/media/webrtc/trunk/src/typedefs.h b/media/webrtc/trunk/src/typedefs.h
index 79d991b83f34..e82bbefe9cc1 100644
--- a/media/webrtc/trunk/src/typedefs.h
+++ b/media/webrtc/trunk/src/typedefs.h
@@ -53,10 +53,6 @@
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
 #define WEBRTC_LITTLE_ENDIAN
-#elif defined(__MIPSEL__)
-#define WEBRTC_ARCH_32_BITS
-#define WEBRTC_ARCH_LITTLE_ENDIAN
-#define WEBRTC_LITTLE_ENDIAN
 #elif defined(__powerpc64__)
 #define WEBRTC_ARCH_PPC64 1
 #define WEBRTC_ARCH_64_BITS 1