Tie multibuffers to URLs

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 918c6559f3983b4a265d2183da9818f477332159..1354d61e76ebd0f7bc2c3f5994841a923b814ff7 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -11,6 +11,7 @@
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
+#include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ -78,6 +79,8 @@ class Rect;
 namespace media {
 class CdmFactory;
 class MediaPermission;
+class MediaServiceProvider;
+class ResourceMultiBuffer;
 class WebEncryptedMediaClientImpl;
 }
 
@@ -1004,6 +1007,9 @@ class CONTENT_EXPORT RenderFrameImpl
   // The CDM factory attached to this frame, lazily initialized.
   scoped_ptr<media::CdmFactory> cdm_factory_;
 
+  // Media resource cache, lazily initialized.
+  linked_ptr<media::ResourceMultiBuffer> resource_multibuffer_;
+
 #if defined(VIDEO_HOLE)
   // Whether or not this RenderFrameImpl contains a media player. Used to
   // register as an observer for video-hole-specific events.