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

gpu/command_buffer/client/gles2_cmd_helper_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 2633 matching lines @@
 }
 
 void BindTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   gles2::cmds::BindTexImage2DCHROMIUM* c =
       GetCmdSpace<gles2::cmds::BindTexImage2DCHROMIUM>();
   if (c) {
     c->Init(target, imageId);
   }
 }
 
+void BindTexImage2DWithInternalformatCHROMIUM(GLenum target,
+                                              GLenum internalformat,
+                                              GLint imageId) {
+  gles2::cmds::BindTexImage2DWithInternalformatCHROMIUM* c =
+      GetCmdSpace<gles2::cmds::BindTexImage2DWithInternalformatCHROMIUM>();
+  if (c) {
+    c->Init(target, internalformat, imageId);
+  }
+}
+
 void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   gles2::cmds::ReleaseTexImage2DCHROMIUM* c =
       GetCmdSpace<gles2::cmds::ReleaseTexImage2DCHROMIUM>();
   if (c) {
     c->Init(target, imageId);
   }
 }
 
 void TraceBeginCHROMIUM(GLuint category_bucket_id, GLuint name_bucket_id) {
   gles2::cmds::TraceBeginCHROMIUM* c =
@@ skipping 568 matching lines @@
 
 void SetEnableDCLayersCHROMIUM(GLboolean enabled) {
   gles2::cmds::SetEnableDCLayersCHROMIUM* c =
       GetCmdSpace<gles2::cmds::SetEnableDCLayersCHROMIUM>();
   if (c) {
     c->Init(enabled);
   }
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_