Removing GL context rate limiting feature and related wrappers

mojo/gpu/mojo_gles2_impl_autogen.h

 // Copyright 2014 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 is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 634 matching lines @@
                                  GLsizei height,
                                  GLenum format,
                                  GLenum type,
                                  GLenum access) override;
   void UnmapTexSubImage2DCHROMIUM(const void* mem) override;
   void ResizeCHROMIUM(GLuint width,
                       GLuint height,
                       GLfloat scale_factor) override;
   const GLchar* GetRequestableExtensionsCHROMIUM() override;
   void RequestExtensionCHROMIUM(const char* extension) override;
-  void RateLimitOffscreenContextCHROMIUM() override;
   void GetProgramInfoCHROMIUM(GLuint program,
                               GLsizei bufsize,
                               GLsizei* size,
                               void* info) override;
   void GetUniformBlocksCHROMIUM(GLuint program,
                                 GLsizei bufsize,
                                 GLsizei* size,
                                 void* info) override;
   void GetTransformFeedbackVaryingsCHROMIUM(GLuint program,
                                             GLsizei bufsize,
@@ skipping 150 matching lines @@
   GLenum GetGraphicsResetStatusKHR() override;
   void BlendBarrierKHR() override;
   void ApplyScreenSpaceAntialiasingCHROMIUM() override;
 
  private:
   MojoGLES2Context context_;
 };
 
 }  // namespace mojo
 #endif  // MOJO_GPU_MOJO_GLES2_IMPL_AUTOGEN_H_