Android WebView: Fall back to idle uploads if draw functor table not set

android_webview/browser/gpu_memory_buffer_factory_impl.h

 // Copyright 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 ANDROID_WEBVIEW_BROWSER_GPU_MEMORY_BUFFER_FACTORY_IMPL_H_
 #define ANDROID_WEBVIEW_BROWSER_GPU_MEMORY_BUFFER_FACTORY_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "gpu/command_buffer/service/in_process_command_buffer.h"
 
 struct AwDrawGLFunctionTable;
 
 namespace android_webview {
 
 class GpuMemoryBufferFactoryImpl : public gpu::InProcessGpuMemoryBufferFactory {
  public:
   GpuMemoryBufferFactoryImpl();
   virtual ~GpuMemoryBufferFactoryImpl();
 
   static void SetAwDrawGLFunctionTable(AwDrawGLFunctionTable* table);
+  bool Initialize();
 
   // Overridden from gpu::InProcessGpuMemoryBufferFactory:
   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
       size_t width,
       size_t height,
       unsigned internalformat,
       unsigned usage) OVERRIDE;
   virtual scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       unsigned internalformat) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryImpl);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_GPU_MEMORY_BUFFER_FACTORY_IMPL_H_