gpu: Raise GL_OUT_OF_MEMORY when BeginQueryEXT fails to allocate.

webkit/common/gpu/context_provider_in_process.h

 // Copyright (c) 2013 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.
 
 #ifndef WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
 #define WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "webkit/common/gpu/context_provider_web_context.h"
 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 #include "webkit/common/gpu/webkit_gpu_export.h"
 
 namespace blink { class WebGraphicsContext3D; }
 
 namespace webkit {
 namespace gpu {
 class GrContextForWebGraphicsContext3D;
 
 class WEBKIT_GPU_EXPORT ContextProviderInProcess
     : NON_EXPORTED_BASE(public ContextProviderWebContext) {
  public:
   static scoped_refptr<ContextProviderInProcess> Create(
       scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d,
       const std::string& debug_name);
 
-  // Calls Create() with a default factory method for creating an offscreen
-  // context.
-  static scoped_refptr<ContextProviderInProcess> CreateOffscreen();
+  // Uses default attributes for creating an offscreen context.
+  static scoped_refptr<ContextProviderInProcess> CreateOffscreen(
+      bool lose_context_when_out_of_memory);
 
   virtual blink::WebGraphicsContext3D* WebContext3D() OVERRIDE;
 
   virtual bool BindToCurrentThread() OVERRIDE;
   virtual Capabilities ContextCapabilities() OVERRIDE;
   virtual ::gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
   virtual ::gpu::ContextSupport* ContextSupport() OVERRIDE;
   virtual class GrContext* GrContext() OVERRIDE;
   virtual bool IsContextLost() OVERRIDE;
   virtual void VerifyContexts() OVERRIDE;
@@ skipping 33 matching lines @@
 
   cc::ContextProvider::Capabilities capabilities_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextProviderInProcess);
 };
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_