Tie multibuffers to URLs

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index ef6836878cde2d22259a94bbac3604c0d3f8b66b..a37001c108e79ad9f56f5964be50f3026e7f3101 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -113,6 +113,7 @@
 #include "gin/modules/module_registry.h"
 #include "media/base/audio_renderer_mixer_input.h"
 #include "media/base/media_log.h"
+#include "media/blink/multibuffer_resource_loader.h"
 #include "media/blink/webencryptedmediaclient_impl.h"
 #include "media/blink/webmediaplayer_impl.h"
 #include "media/renderers/gpu_video_accelerator_factories.h"
@@ -719,6 +720,7 @@ RenderFrameImpl::RenderFrameImpl(const CreateParams& params)
 #if defined(ENABLE_BROWSER_CDMS)
       cdm_manager_(NULL),
 #endif
+      resource_multibuffer_(NULL),
 #if defined(VIDEO_HOLE)
       contains_media_player_(false),
 #endif
@@ -2124,9 +2126,15 @@ blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
   }
 #endif  // defined(ENABLE_MOJO_MEDIA)
 
+  if (!resource_multibuffer_ ||
+      resource_multibuffer_->frame() != frame) {
+    resource_multibuffer_ = new media::ResourceMultiBuffer(frame);
+  }
+
   return new media::WebMediaPlayerImpl(
       frame, client, encrypted_client, weak_factory_.GetWeakPtr(),
-      media_renderer_factory.Pass(), GetCdmFactory(), params);
+      media_renderer_factory.Pass(), GetCdmFactory(), resource_multibuffer_,
+      params);
 #endif  // defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
 }