Use EXT_robustness where available on GLES2 platforms to detect and respond to resets of the graphi…

gpu/command_buffer/common/gl_mock.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.
 
 // This file implements mock GL Interface for unit testing. It has to mock
 // Desktop GL, not GLES2 as it is used to test the service side code.
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_GL_MOCK_H_
 #define GPU_COMMAND_BUFFER_COMMON_GL_MOCK_H_
 
@@ skipping 496 matching lines @@
 
   MOCK_METHOD3(GetQueryivARB, void(GLenum target, GLenum pname, GLint* params));
 
   MOCK_METHOD3(GetQueryObjectuivARB, void(
       GLuint id, GLenum pname, GLuint* params));
 
   MOCK_METHOD1(SetSurfaceCHROMIUM, void(GLuint));
 
   MOCK_METHOD0(GetGraphicsResetStatusARB, GLenum());
 
+  MOCK_METHOD0(GetGraphicsResetStatusEXT, GLenum());
+
   MOCK_METHOD4(DrawArraysInstancedANGLE, void(
       GLenum mode, GLint first, GLsizei count, GLsizei primcount));
 
   MOCK_METHOD5(DrawElementsInstancedANGLE, void(
       GLenum mode, GLsizei count, GLenum type, const void* indices,
       GLsizei primcount));
 
   MOCK_METHOD2(VertexAttribDivisorANGLE, void(GLuint index, GLuint divisor));
 };
 
 }  // namespace gfx
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GL_MOCK_H_