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

Source/core/html/HTMLMediaElement.cpp

Index: Source/core/html/HTMLMediaElement.cpp
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp
index 6bbaa55e159f88b6aba19211a46898769f8962ff..5d77a0f8eac327840360adc6a8be7fc5850eebe6 100644
--- a/Source/core/html/HTMLMediaElement.cpp
+++ b/Source/core/html/HTMLMediaElement.cpp
@@ -41,6 +41,8 @@
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
 #include "core/events/ThreadLocalEventNames.h"
+#include "core/frame/ContentSecurityPolicy.h"
+#include "core/frame/Frame.h"
 #include "core/html/HTMLMediaSource.h"
 #include "core/html/HTMLSourceElement.h"
 #include "core/html/HTMLTrackElement.h"
@@ -55,8 +57,7 @@
 #include "core/html/track/TextTrackCueList.h"
 #include "core/html/track/TextTrackList.h"
 #include "core/loader/FrameLoader.h"
-#include "core/frame/ContentSecurityPolicy.h"
-#include "core/frame/Frame.h"
+#include "core/loader/FrameLoaderClient.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/platform/MIMETypeFromURL.h"
@@ -1309,6 +1310,12 @@ bool HTMLMediaElement::isSafeToLoadURL(const KURL& url, InvalidURLAction actionI
         return false;
     }
 
+    Settings* settings = frame->settings();
+    if (!frame->loader()->client()->allowMedia(!settings || settings->isMediaLoadingEnabled(), url)) {
+        LOG(Media, "HTMLMEdiaElement::isSafeToLoadURL(%s) -> rejected by FrameLoaderClient", urlForLoggingMedia(url).utf8().data());
+        return false;
+    }
+
     return true;
 }