Revert of Fix blits from multisampled renderbuffers to alpha:false WebGL back buffer.

gpu/command_buffer/client/gles2_implementation_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 978 matching lines @@
 
 GLuint CreateAndConsumeTextureCHROMIUM(GLenum target,
                                        const GLbyte* mailbox) override;
 
 void BindUniformLocationCHROMIUM(GLuint program,
                                  GLint location,
                                  const char* name) override;
 
 void BindTexImage2DCHROMIUM(GLenum target, GLint imageId) override;
 
-void BindTexImage2DWithInternalformatCHROMIUM(GLenum target,
-                                              GLenum internalformat,
-                                              GLint imageId) override;
-
 void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) override;
 
 void TraceBeginCHROMIUM(const char* category_name,
                         const char* trace_name) override;
 
 void TraceEndCHROMIUM() override;
 
 void DiscardFramebufferEXT(GLenum target,
                            GLsizei count,
                            const GLenum* attachments) override;
@@ skipping 212 matching lines @@
 void SwapBuffersWithBoundsCHROMIUM(GLsizei count, const GLint* rects) override;
 
 void SetDrawRectangleCHROMIUM(GLint x,
                               GLint y,
                               GLint width,
                               GLint height) override;
 
 void SetEnableDCLayersCHROMIUM(GLboolean enabled) override;
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_