cc: Route offscreen context creation for compositor to the browser.

cc/test/fake_layer_tree_host_client.h

Index: cc/test/fake_layer_tree_host_client.h
diff --git a/cc/test/fake_layer_tree_host_client.h b/cc/test/fake_layer_tree_host_client.h
index f10ba5973b6c285150420a269cdab84d05f7f571..494fa73a3d55fea9571a43ea5e8bbb2ee6475709 100644
--- a/cc/test/fake_layer_tree_host_client.h
+++ b/cc/test/fake_layer_tree_host_client.h
@@ -8,17 +8,15 @@
 #include "base/memory/scoped_ptr.h"
 #include "cc/input_handler.h"
 #include "cc/layer_tree_host.h"
+#include "cc/test/fake_context_provider.h"
 #include "cc/test/fake_output_surface.h"
 
 namespace cc {
 
 class FakeLayerImplTreeHostClient : public LayerTreeHostClient {
 public:
-    FakeLayerImplTreeHostClient(bool useSoftwareRendering = false, bool useDelegatingRenderer = false)
-        : m_useSoftwareRendering(useSoftwareRendering)
-        , m_useDelegatingRenderer(useDelegatingRenderer)
-    {
-    }
+    FakeLayerImplTreeHostClient(bool useSoftwareRendering = false, bool useDelegatingRenderer = false);
+    virtual ~FakeLayerImplTreeHostClient();
 
     virtual void willBeginFrame() OVERRIDE { }
     virtual void didBeginFrame() OVERRIDE { }
@@ -37,9 +35,15 @@ public:
     // Used only in the single-threaded path.
     virtual void scheduleComposite() OVERRIDE { }
 
+    virtual scoped_refptr<ui::ContextProvider> OffscreenContextProviderForMainThread() OVERRIDE;
+    virtual scoped_refptr<ui::ContextProvider> OffscreenContextProviderForCompositorThread() OVERRIDE;
+
 private:
     bool m_useSoftwareRendering;
     bool m_useDelegatingRenderer;
+
+    scoped_refptr<FakeContextProvider> m_mainThreadContexts;
+    scoped_refptr<FakeContextProvider> m_compositorThreadContexts;
 };
 
 }  // namespace cc