content: Make sure GpuProcessHost replies to all outstanding CreateGpuMemoryBuffer requests when GP…

content/browser/gpu/gpu_process_host.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 "content/browser/gpu/gpu_process_host.h"
 
 #include "base/base64.h"
 #include "base/base_switches.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 910 matching lines @@
     channel_requests_.pop();
     callback.Run(IPC::ChannelHandle(), gpu::GPUInfo());
   }
 
   while (!create_command_buffer_requests_.empty()) {
     CreateCommandBufferCallback callback =
         create_command_buffer_requests_.front();
     create_command_buffer_requests_.pop();
     callback.Run(CREATE_COMMAND_BUFFER_FAILED_AND_CHANNEL_LOST);
   }
+
+  while (!create_gpu_memory_buffer_requests_.empty()) {
+    CreateGpuMemoryBufferCallback callback =
+        create_gpu_memory_buffer_requests_.front();
+    create_gpu_memory_buffer_requests_.pop();
+    callback.Run(gfx::GpuMemoryBufferHandle());
+  }
 }
 
 void GpuProcessHost::BlockLiveOffscreenContexts() {
   for (std::multiset<GURL>::iterator iter =
            urls_with_live_offscreen_contexts_.begin();
        iter != urls_with_live_offscreen_contexts_.end(); ++iter) {
     GpuDataManagerImpl::GetInstance()->BlockDomainFrom3DAPIs(
         *iter, GpuDataManagerImpl::DOMAIN_GUILT_UNKNOWN);
   }
 }
@@ skipping 109 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content