media: Pass MediaPermission to MediaDrmBridge

content/gpu/gpu_child_thread.h

Index: content/gpu/gpu_child_thread.h
diff --git a/content/gpu/gpu_child_thread.h b/content/gpu/gpu_child_thread.h
index 597afef350594cb156c1d1b83d028d2f5a2ac258..a0944c994d56cb7531439bbda1a93129dfb96d09 100644
--- a/content/gpu/gpu_child_thread.h
+++ b/content/gpu/gpu_child_thread.h
@@ -34,6 +34,10 @@ class GpuMemoryBufferFactory;
 class SyncPointManager;
 }
 
+namespace media {
+class MediaPermission;
+}
+
 namespace sandbox {
 class TargetServices;
 }
@@ -41,6 +45,7 @@ class TargetServices;
 namespace content {
 class GpuProcessControlImpl;
 class GpuWatchdogThread;
+class MediaPermissionDispatcher;
 class MediaService;
 struct EstablishChannelParams;
 #if defined(OS_MACOSX)
@@ -146,6 +151,13 @@ class GpuChildThread : public ChildThreadImpl,
 #endif
   void OnLoseAllContexts();
 
+  // Connect to an interface provided by the service registry.
+  template <typename Interface>
+  void GetInterface(mojo::InterfaceRequest<Interface> request);
+
+  // Returns the MediaPermission associated with this process.
+  media::MediaPermission* GetMediaPermission();
+
   void BindProcessControlRequest(
       mojo::InterfaceRequest<mojom::ProcessControl> request);
 
@@ -181,6 +193,9 @@ class GpuChildThread : public ChildThreadImpl,
   // The gpu::GpuMemoryBufferFactory instance used to allocate GpuMemoryBuffers.
   gpu::GpuMemoryBufferFactory* const gpu_memory_buffer_factory_;
 
+  // The media permission dispatcher attached to this frame.
+  scoped_ptr<MediaPermissionDispatcher> media_permission_dispatcher_;
+
   // Process control for Mojo application hosting.
   std::unique_ptr<GpuProcessControlImpl> process_control_;