Not for commit: crash GPU process in glCreateGpuMemoryBufferImageCHROMIUM.

gpu/ipc/client/command_buffer_proxy_impl.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 "gpu/ipc/client/command_buffer_proxy_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 504 matching lines @@
     size_t width,
     size_t height,
     unsigned internal_format,
     unsigned usage) {
   CheckLock();
   std::unique_ptr<gfx::GpuMemoryBuffer> buffer(
       channel_->gpu_memory_buffer_manager()->AllocateGpuMemoryBuffer(
           gfx::Size(width, height),
           gpu::DefaultBufferFormatForImageFormat(internal_format),
           gfx::BufferUsage::SCANOUT, gpu::kNullSurfaceHandle));
-  if (!buffer)
+  if (!buffer) {
+    fprintf(stderr, "CommandBufferProxyImpl::CreateGpuMemoryBufferImage: no buffer from AllocateGpuMemoryBuffer\n");
     return -1;
+  } else {
+    fprintf(stderr, "CommandBufferProxyImpl::CreateGpuMemoryBufferImage: got a buffer\n");
+  }
 
   int32_t result =
       CreateImage(buffer->AsClientBuffer(), width, height, internal_format);
   return result;
 }
 
 uint32_t CommandBufferProxyImpl::CreateStreamTexture(uint32_t texture_id) {
   CheckLock();
   if (last_state_.error != gpu::error::kNoError)
     return 0;
@@ skipping 314 matching lines @@
     return;
   channel_->FlushPendingStream(stream_id_);
   channel_->Send(new GpuChannelMsg_DestroyCommandBuffer(route_id_));
   channel_->RemoveRoute(route_id_);
   channel_ = nullptr;
   if (gpu_control_client_)
     gpu_control_client_->OnGpuControlLostContext();
 }
 
 }  // namespace gpu