Remove GPU relinquish resources infrastructure and stop GPU process.

content/browser/gpu/gpu_process_host_ui_shim.h

Index: content/browser/gpu/gpu_process_host_ui_shim.h
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.h b/content/browser/gpu/gpu_process_host_ui_shim.h
index 366ff678e6038537d5a7456141edd05a9b18940d..8cc9bafc0357c07893a426081df0d72c1e0e35c9 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.h
+++ b/content/browser/gpu/gpu_process_host_ui_shim.h
@@ -65,6 +65,10 @@ class GpuProcessHostUIShim : public IPC::Listener,
   // Return NULL if none has been created.
   CONTENT_EXPORT static GpuProcessHostUIShim* GetOneInstance();
 
+  // Stops the GPU process.
+  // TODO(derekjchow): Make this API prettier.

[halliwell, 2015/07/25 17:00:38]

I don't understand the TODO, can you elaborate?

[derekjchow1, 2015/07/28 16:14:57]

Done.

+  void StopGpuProcess(base::Closure callback);
+
   // IPC::Sender implementation.
   bool Send(IPC::Message* msg) override;
 
@@ -74,7 +78,6 @@ class GpuProcessHostUIShim : public IPC::Listener,
   // actually received on the IO thread.
   bool OnMessageReceived(const IPC::Message& message) override;
 
-  CONTENT_EXPORT void RelinquishGpuResources(const base::Closure& callback);
   CONTENT_EXPORT void SimulateRemoveAllContext();
   CONTENT_EXPORT void SimulateCrash();
   CONTENT_EXPORT void SimulateHang();
@@ -98,13 +101,12 @@ class GpuProcessHostUIShim : public IPC::Listener,
 #endif
   void OnVideoMemoryUsageStatsReceived(
       const GPUVideoMemoryUsageStats& video_memory_usage_stats);
-  void OnResourcesRelinquished();
   void OnAddSubscription(int32 process_id, unsigned int target);
   void OnRemoveSubscription(int32 process_id, unsigned int target);
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;
-  base::Closure relinquish_callback_;
+  base::Closure close_callback_;
 };
 
 }  // namespace content