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

gpu/command_buffer/client/gles2_trace_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 692 matching lines @@
 void ProduceTextureDirectCHROMIUM(GLuint texture,
                                   GLenum target,
                                   const GLbyte* mailbox) override;
 void ConsumeTextureCHROMIUM(GLenum target, const GLbyte* mailbox) override;
 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;
 void LoseContextCHROMIUM(GLenum current, GLenum other) override;
 GLuint64 InsertFenceSyncCHROMIUM() override;
 void GenSyncTokenCHROMIUM(GLuint64 fence_sync, GLbyte* sync_token) override;
@@ skipping 154 matching lines @@
                                   GLboolean promotion_hint,
                                   GLint display_x,
                                   GLint display_y) override;
 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_TRACE_IMPLEMENTATION_AUTOGEN_H_