cc: Abstract the LayerTreeHost.

blimp/client/app/compositor/browser_compositor.h

Index: blimp/client/app/compositor/browser_compositor.h
diff --git a/blimp/client/app/compositor/browser_compositor.h b/blimp/client/app/compositor/browser_compositor.h
index cb0828f477ff98058f4c6f82beacf80c02edf28b..1a5cdc79b3000646606a30a998a888a7bd8d4fd9 100644
--- a/blimp/client/app/compositor/browser_compositor.h
+++ b/blimp/client/app/compositor/browser_compositor.h
@@ -16,7 +16,7 @@
 namespace cc {
 class Display;
 class Layer;
-class LayerTreeHost;
+class LayerTreeHostInterface;
 class SurfaceIdAllocator;
 class SurfaceManager;
 }  // namespace cc
@@ -86,7 +86,7 @@ class BrowserCompositor : public cc::LayerTreeHostClient,
 
   gfx::Size viewport_size_in_px_;
 
-  std::unique_ptr<cc::LayerTreeHost> host_;
+  std::unique_ptr<cc::LayerTreeHostInterface> host_;
   scoped_refptr<cc::Layer> root_layer_;
 
   base::Closure did_complete_swap_buffers_;