Changes code using Compositor to pass in ContextFactory

ui/aura/window_tree_host.h

Index: ui/aura/window_tree_host.h
diff --git a/ui/aura/window_tree_host.h b/ui/aura/window_tree_host.h
index 9d54944777f1dfb776868485abfc1dad1d8749cf..7c44b947aff11aba369981ec22a87caa769d0e41 100644
--- a/ui/aura/window_tree_host.h
+++ b/ui/aura/window_tree_host.h
@@ -24,6 +24,7 @@ class Transform;
 
 namespace ui {
 class Compositor;
+class ContextFactory;
 class EventProcessor;
 class ViewProp;
 }
@@ -44,7 +45,8 @@ class AURA_EXPORT WindowTreeHost {
   virtual ~WindowTreeHost();
 
   // Creates a new WindowTreeHost. The caller owns the returned value.
-  static WindowTreeHost* Create(const gfx::Rect& bounds);
+  static WindowTreeHost* Create(const gfx::Rect& bounds,
+                                ui::ContextFactory* context_factory);
 
   // Returns the WindowTreeHost for the specified accelerated widget, or NULL
   // if there is none associated.
@@ -152,7 +154,8 @@ class AURA_EXPORT WindowTreeHost {
   void DestroyCompositor();
   void DestroyDispatcher();
 
-  void CreateCompositor(gfx::AcceleratedWidget accelerated_widget);
+  void CreateCompositor(gfx::AcceleratedWidget accelerated_widget,
+                        ui::ContextFactory* context_factory);
 
   // Returns the location of the RootWindow on native screen.
   virtual gfx::Point GetLocationOnNativeScreen() const = 0;