cc: Move WebCompositorOutputSurface and related classes into cc/

cc/test/layer_tree_test_common.h

Index: cc/test/layer_tree_test_common.h
diff --git a/cc/test/layer_tree_test_common.h b/cc/test/layer_tree_test_common.h
index e85927dc353ebd4494387a7d02518644002dbe6c..ebc9c05052c10c8465793775b9059c62c9a6e91e 100644
--- a/cc/test/layer_tree_test_common.h
+++ b/cc/test/layer_tree_test_common.h
@@ -23,7 +23,7 @@ class LayerTreeHostImpl;
 class Thread;
 }
 
-namespace WebKitTests {
+namespace cc {
 
 // Used by test stubs to notify the test when something interesting happens.
 class TestHooks : public WebKit::WebAnimationDelegate {
@@ -48,7 +48,7 @@ public:
     virtual void notifyAnimationStarted(double time) OVERRIDE { }
     virtual void notifyAnimationFinished(double time) OVERRIDE { }
 
-    virtual scoped_ptr<WebKit::WebCompositorOutputSurface> createOutputSurface();
+    virtual scoped_ptr<OutputSurface> createOutputSurface();
 };
 
 class TimeoutTask;