Added a unique command buffer ID for command buffers.

content/renderer/pepper/resource_creation_impl.h

Index: content/renderer/pepper/resource_creation_impl.h
diff --git a/content/renderer/pepper/resource_creation_impl.h b/content/renderer/pepper/resource_creation_impl.h
index 95230825fee9ee14b3ecfb75ddbd954257e24957..5f7cc4390b8bc41fa37dc308b0c4e6ac0e6a820f 100644
--- a/content/renderer/pepper/resource_creation_impl.h
+++ b/content/renderer/pepper/resource_creation_impl.h
@@ -57,7 +57,8 @@ class ResourceCreationImpl : public ppapi::thunk::ResourceCreationAPI {
       PP_Resource share_context,
       const int32_t* attrib_list,
       gpu::Capabilities* capabilities,
-      base::SharedMemoryHandle* shared_state) override;
+      base::SharedMemoryHandle* shared_state,
+      uint64_t* command_buffer_id) override;
   PP_Resource CreateHostResolver(PP_Instance instance) override;
   PP_Resource CreateHostResolverPrivate(PP_Instance instance) override;
   PP_Resource CreateImageData(PP_Instance instance,