Ability to block <audio> and <video> media.

Source/core/html/MediaDocument.cpp

Index: Source/core/html/MediaDocument.cpp
diff --git a/Source/core/html/MediaDocument.cpp b/Source/core/html/MediaDocument.cpp
index aabd99a748aaffce13cc659b514fe27dacd56212..ea699d632441ea8e7cceb029720ab475f3b01fe4 100644
--- a/Source/core/html/MediaDocument.cpp
+++ b/Source/core/html/MediaDocument.cpp
@@ -33,6 +33,7 @@
 #include "core/dom/RawDataDocumentParser.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/ThreadLocalEventNames.h"
+#include "core/frame/Frame.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLHtmlElement.h"
@@ -41,7 +42,8 @@
 #include "core/html/HTMLVideoElement.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
-#include "core/frame/Frame.h"
+#include "core/loader/FrameLoaderClient.h"
+#include "core/page/Settings.h"
 #include "platform/KeyboardCodes.h"
 
 namespace WebCore {
@@ -110,6 +112,11 @@ void MediaDocumentParser::createDocumentStructure()
 
 size_t MediaDocumentParser::appendBytes(const char*, size_t)
 {
+    Frame* frame = document()->frame();
+    Settings* settings = frame->settings();
+    if (!frame->loader()->client()->allowMedia(!settings || settings->isMediaLoadingEnabled(), document()->url()))
+        return 0;
+
     if (m_didBuildDocumentStructure)
         return 0;