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

gpu/command_buffer/service/gles2_cmd_decoder_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 4760 matching lines @@
   GLint imageId = static_cast<GLint>(c.imageId);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBindTexImage2DCHROMIUM", target,
                                     "target");
     return error::kNoError;
   }
   DoBindTexImage2DCHROMIUM(target, imageId);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBindTexImage2DWithInternalformatCHROMIUM(
-    uint32_t immediate_data_size,
-    const volatile void* cmd_data) {
-  const volatile gles2::cmds::BindTexImage2DWithInternalformatCHROMIUM& c =
-      *static_cast<const volatile gles2::cmds::
-                       BindTexImage2DWithInternalformatCHROMIUM*>(cmd_data);
-  GLenum target = static_cast<GLenum>(c.target);
-  GLenum internalformat = static_cast<GLenum>(c.internalformat);
-  GLint imageId = static_cast<GLint>(c.imageId);
-  if (!validators_->texture_bind_target.IsValid(target)) {
-    LOCAL_SET_GL_ERROR_INVALID_ENUM(
-        "glBindTexImage2DWithInternalformatCHROMIUM", target, "target");
-    return error::kNoError;
-  }
-  DoBindTexImage2DWithInternalformatCHROMIUM(target, internalformat, imageId);
-  return error::kNoError;
-}
-
 error::Error GLES2DecoderImpl::HandleReleaseTexImage2DCHROMIUM(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {
   const volatile gles2::cmds::ReleaseTexImage2DCHROMIUM& c =
       *static_cast<const volatile gles2::cmds::ReleaseTexImage2DCHROMIUM*>(
           cmd_data);
   GLenum target = static_cast<GLenum>(c.target);
   GLint imageId = static_cast<GLint>(c.imageId);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glReleaseTexImage2DCHROMIUM", target,
@@ skipping 503 matching lines @@
         state_.enable_flags.cached_sample_alpha_to_one_ext = enabled;
         return true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_