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

gpu/command_buffer/client/gles2_implementation_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 3177 matching lines @@
 
 void GLES2Implementation::BindTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindTexImage2DCHROMIUM("
                      << GLES2Util::GetStringTextureBindTarget(target) << ", "
                      << imageId << ")");
   helper_->BindTexImage2DCHROMIUM(target, imageId);
   CheckGLError();
 }
 
-void GLES2Implementation::BindTexImage2DWithInternalformatCHROMIUM(
-    GLenum target,
-    GLenum internalformat,
-    GLint imageId) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix()
-                     << "] glBindTexImage2DWithInternalformatCHROMIUM("
-                     << GLES2Util::GetStringTextureBindTarget(target) << ", "
-                     << GLES2Util::GetStringEnum(internalformat) << ", "
-                     << imageId << ")");
-  helper_->BindTexImage2DWithInternalformatCHROMIUM(target, internalformat,
-                                                    imageId);
-  CheckGLError();
-}
-
 void GLES2Implementation::ReleaseTexImage2DCHROMIUM(GLenum target,
                                                     GLint imageId) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glReleaseTexImage2DCHROMIUM("
                      << GLES2Util::GetStringTextureBindTarget(target) << ", "
                      << imageId << ")");
   helper_->ReleaseTexImage2DCHROMIUM(target, imageId);
   CheckGLError();
 }
 
@@ skipping 315 matching lines @@
 
 void GLES2Implementation::SetEnableDCLayersCHROMIUM(GLboolean enabled) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSetEnableDCLayersCHROMIUM("
                      << GLES2Util::GetStringBool(enabled) << ")");
   helper_->SetEnableDCLayersCHROMIUM(enabled);
   CheckGLError();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_