Enable SurfaceTexture based zero-copy texture uploading on Android platform

content/common/gpu/gpu_command_buffer_stub.h

Index: content/common/gpu/gpu_command_buffer_stub.h
diff --git a/content/common/gpu/gpu_command_buffer_stub.h b/content/common/gpu/gpu_command_buffer_stub.h
index f79062e425b2ec653372b10cf0725b364f112086..5d1d5f71eaa4ac7920afe88319af2f91b5dbb01c 100644
--- a/content/common/gpu/gpu_command_buffer_stub.h
+++ b/content/common/gpu/gpu_command_buffer_stub.h
@@ -199,6 +199,10 @@ class GpuCommandBufferStub
   void OnSetLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
   void OnCreateStreamTexture(uint32 texture_id, int32* stream_id);
 
+  void OnCreateSurfaceTexture(uint32 gpu_memory_buffer,
+                              uint32* surface_texture_handle,
+                              uint32* gpu_texture_id);
+
   void ReportState();
 
   // Wrapper for GpuScheduler::PutChanged that sets the crash report URL.