Remove remaining traces of CreateGpuMemoryBufferImageCHROMIUM

ppapi/proxy/ppapi_command_buffer_proxy.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/proxy/ppapi_command_buffer_proxy.h"
 
 #include <utility>
 
 #include "base/numerics/safe_conversions.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 231 matching lines @@
                                              size_t height,
                                              unsigned internalformat) {
   NOTREACHED();
   return -1;
 }
 
 void PpapiCommandBufferProxy::DestroyImage(int32_t id) {
   NOTREACHED();
 }
 
-int32_t PpapiCommandBufferProxy::CreateGpuMemoryBufferImage(
-    size_t width,
-    size_t height,
-    unsigned internalformat,
-    unsigned usage) {
-  NOTREACHED();
-  return -1;
-}
-
 bool PpapiCommandBufferProxy::Send(IPC::Message* msg) {
   DCHECK(last_state_.error == gpu::error::kNoError);
 
   // We need to hold the Pepper proxy lock for sync IPC, because the GPU command
   // buffer may use a sync IPC with another lock held which could lead to lock
   // and deadlock if we dropped the proxy lock here.
   // http://crbug.com/418651
   if (dispatcher_->SendAndStayLocked(msg))
     return true;
 
@@ skipping 42 matching lines @@
   message->set_unblock(true);
   Send(message);
 
   flush_info_->flush_pending = false;
   flush_info_->resource.SetHostResource(0, 0);
   flushed_fence_sync_release_ = pending_fence_sync_release_;
 }
 
 }  // namespace proxy
 }  // namespace ppapi