[Chromecast] Adding pause/resume operations to VideoPlaneController.

chromecast/base/cast_resource.h

Index: chromecast/base/cast_resource.h
diff --git a/chromecast/base/cast_resource.h b/chromecast/base/cast_resource.h
index cd248d77edc26872e426c5c2a42ef54a2aac1e0a..b0245b26b06311d204fd0a7e82489ff1cd62f0ad 100644
--- a/chromecast/base/cast_resource.h
+++ b/chromecast/base/cast_resource.h
@@ -53,6 +53,10 @@ class CastResource {
   };
 
   void SetCastResourceClient(Client* client);
+  // Called to initialize resources after OEM has granted them, and before
+  // they start getting used by consumers. Implementation must be synchronous
+  // since consumers will start using the resource immediately afterwards.
+  virtual void InitializeResource(Resource resource) = 0;
   // Called to release resources. Implementation should call
   // Client::OnResourceReleased when resource is released on its side.
   virtual void ReleaseResource(Resource resource) = 0;