WIP: Plumbing input event latency reporting through Mus GPU.

cc/output/in_process_context_provider.h

Index: cc/output/in_process_context_provider.h
diff --git a/cc/output/in_process_context_provider.h b/cc/output/in_process_context_provider.h
index 0a355d28de1f955b2f45e8b65766647bd59e43e6..e84c9a7c1dd913c62f119b1943ee42a9d31d1eca 100644
--- a/cc/output/in_process_context_provider.h
+++ b/cc/output/in_process_context_provider.h
@@ -65,6 +65,8 @@ class CC_EXPORT InProcessContextProvider
       const gpu::InProcessCommandBuffer::UpdateVSyncParametersCallback&
           callback);
 
+  gpu::GLInProcessContext* context() { return context_.get(); }

[mfomitchev, 2017/03/23 15:09:09]

Is this okay?

+
  protected:
   friend class base::RefCountedThreadSafe<InProcessContextProvider>;
   ~InProcessContextProvider() override;