Revert of Make lost context and error message callbacks on GpuControl go to client

gpu/command_buffer/tests/gl_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 #define GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 104 matching lines @@
     return gles2_implementation_.get();
   }
 
   gfx::GLContext* context() {
     return context_.get();
   }
 
   const gpu::gles2::FeatureInfo::Workarounds& workarounds() const;
 
   // GpuControl implementation.
-  void SetGpuControlClient(GpuControlClient*) override;
   Capabilities GetCapabilities() override;
   int32_t CreateImage(ClientBuffer buffer,
                       size_t width,
                       size_t height,
                       unsigned internalformat) override;
   void DestroyImage(int32_t id) override;
   int32_t CreateGpuMemoryBufferImage(size_t width,
                                      size_t height,
                                      unsigned internalformat,
                                      unsigned usage) override;
@@ skipping 49 matching lines @@
   // Used on Android to virtualize GL for all contexts.
   static int use_count_;
   static scoped_refptr<gfx::GLShareGroup>* base_share_group_;
   static scoped_refptr<gfx::GLSurface>* base_surface_;
   static scoped_refptr<gfx::GLContext>* base_context_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_