gpu: Raise GL_OUT_OF_MEMORY when BeginQueryEXT fails to allocate.

mojo/examples/aura_demo/demo_context_factory.cc

 // 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.
 
 #include "mojo/examples/aura_demo/demo_context_factory.h"
 
 #include "cc/output/output_surface.h"
 #include "mojo/examples/aura_demo/window_tree_host_mojo.h"
 #include "mojo/examples/compositor_app/mojo_context_provider.h"
 #include "ui/compositor/reflector.h"
@@ skipping 38 matching lines @@
 }
 
 scoped_refptr<cc::ContextProvider>
 DemoContextFactory::OffscreenCompositorContextProvider() {
   if (!offscreen_compositor_contexts_.get() ||
       offscreen_compositor_contexts_->DestroyedOnMainThread()) {
     // If the compositor was initialized with its own thread then we would need
     // to leak the context provider when we shutdown to avoid destroying the
     // contexts on the wrong thread.
     DCHECK(!ui::Compositor::WasInitializedWithThread());
+    bool lose_context_when_out_of_memory = true;
     offscreen_compositor_contexts_ =
-        webkit::gpu::ContextProviderInProcess::CreateOffscreen();
+        webkit::gpu::ContextProviderInProcess::CreateOffscreen(
+            lose_context_when_out_of_memory);
   }
   return offscreen_compositor_contexts_;
 }
 
 scoped_refptr<cc::ContextProvider>
 DemoContextFactory::SharedMainThreadContextProvider() {
   if (!shared_main_thread_contexts_ ||
       shared_main_thread_contexts_->DestroyedOnMainThread()) {
+    bool lose_context_when_out_of_memory = false;
     shared_main_thread_contexts_ =
-        webkit::gpu::ContextProviderInProcess::CreateOffscreen();
+        webkit::gpu::ContextProviderInProcess::CreateOffscreen(
+            lose_context_when_out_of_memory);
     if (shared_main_thread_contexts_ &&
         !shared_main_thread_contexts_->BindToCurrentThread())
       shared_main_thread_contexts_ = NULL;
   }
   return shared_main_thread_contexts_;
 }
 
 void DemoContextFactory::RemoveCompositor(ui::Compositor* compositor) {
 }
 
 bool DemoContextFactory::DoesCreateTestContexts() { return false; }
 
 }  // namespace examples
 }  // namespace mojo