Tie multibuffers to URLs

components/html_viewer/media_factory.h

Index: components/html_viewer/media_factory.h
diff --git a/components/html_viewer/media_factory.h b/components/html_viewer/media_factory.h
index 70d1f7d6388c641a934332b68989036171a2309c..d01107b76dc1e5255d91848043381b3d01dc6f89 100644
--- a/components/html_viewer/media_factory.h
+++ b/components/html_viewer/media_factory.h
@@ -6,11 +6,13 @@
 #define COMPONENTS_HTML_VIEWER_MEDIA_FACTORY_H_
 
 #include "base/macros.h"
+#include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/base/audio_hardware_config.h"
+#include "media/blink/resource_multibuffer.h"
 #include "media/mojo/interfaces/service_factory.mojom.h"
 #include "mojo/application/public/interfaces/service_provider.mojom.h"
 
@@ -89,6 +91,9 @@ class MediaFactory {
   scoped_ptr<media::MediaPermission> media_permission_;
   scoped_ptr<media::CdmFactory> cdm_factory_;
 
+  // Media resource cache, lazily initialized.
+  linked_ptr<media::ResourceMultiBuffer> resource_multibuffer_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaFactory);
 };