gpu: Raise GL_OUT_OF_MEMORY when BeginQueryEXT fails to allocate.

content/renderer/render_thread_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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1001 matching lines @@
 }
 
 scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
 RenderThreadImpl::CreateOffscreenContext3d() {
   blink::WebGraphicsContext3D::Attributes attributes;
   attributes.shareResources = true;
   attributes.depth = false;
   attributes.stencil = false;
   attributes.antialias = false;
   attributes.noAutomaticFlushes = true;
+  attributes.loseContextWhenOutOfMemory = true;
 
   scoped_refptr<GpuChannelHost> gpu_channel_host(EstablishGpuChannelSync(
       CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
   return make_scoped_ptr(
       WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
           gpu_channel_host.get(),
           attributes,
           GURL("chrome://gpu/RenderThreadImpl::CreateOffscreenContext3d"),
           WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits(),
           NULL));
@@ skipping 490 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content