Support multiple service instances with GLInProcessContext

content/browser/android/in_process/synchronous_compositor_factory_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
 
 #include "base/synchronization/lock.h"
 #include "content/browser/android/in_process/synchronous_input_event_filter.h"
 #include "content/renderer/android/synchronous_compositor_factory.h"
@@ skipping 35 matching lines @@
       GetOffscreenContextProviderForCompositorThread() OVERRIDE;
   virtual scoped_ptr<StreamTextureFactory> CreateStreamTextureFactory(
       int view_id) OVERRIDE;
 
   SynchronousInputEventFilter* synchronous_input_event_filter() {
     return &synchronous_input_event_filter_;
   }
 
   void CompositorInitializedHardwareDraw();
   void CompositorReleasedHardwareDraw();
+  gpu::GLInProcessContext* GetCompositorShareGroup() {
+    return wrapped_gl_context_for_compositor_thread_;
+  }
 
  private:
   void ReleaseGlobalHardwareResources();
   bool CanCreateMainThreadContext();
   scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
       TryCreateStreamTextureFactory();
-  scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
-      CreateOffscreenContext();
+  scoped_ptr<gpu::GLInProcessContext> CreateOffscreenContext();
+  scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> WrapContext(
+      scoped_ptr<gpu::GLInProcessContext> context);
 
   SynchronousInputEventFilter synchronous_input_event_filter_;
 
   // Only guards construction and destruction of
   // |offscreen_context_for_compositor_thread_|, not usage.
   base::Lock offscreen_context_for_compositor_thread_lock_;
   scoped_refptr<webkit::gpu::ContextProviderWebContext>
       offscreen_context_for_main_thread_;
   // This is a pointer to the context owned by
   // |offscreen_context_for_main_thread_|.
   gpu::GLInProcessContext* wrapped_gl_context_for_main_thread_;
+  gpu::GLInProcessContext* wrapped_gl_context_for_compositor_thread_;
   scoped_refptr<cc::ContextProvider> offscreen_context_for_compositor_thread_;
 
   // |num_hardware_compositor_lock_| is updated on UI thread only but can be
   // read on renderer main thread.
   base::Lock num_hardware_compositor_lock_;
   unsigned int num_hardware_compositors_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_