cc: Remove wtf includes from *LayerTextureUpdater headers

cc/test/tiled_layer_test_common.h

Index: cc/test/tiled_layer_test_common.h
diff --git a/cc/test/tiled_layer_test_common.h b/cc/test/tiled_layer_test_common.h
index 555180167dabae3aaabd2199171f2518e4553aa6..88db7116b20cdc053a3f4e3c2a7bc2c8b9d3b242 100644
--- a/cc/test/tiled_layer_test_common.h
+++ b/cc/test/tiled_layer_test_common.h
@@ -36,9 +36,8 @@ public:
     };
 
     FakeLayerTextureUpdater();
-    virtual ~FakeLayerTextureUpdater();
 
-    virtual PassOwnPtr<cc::LayerTextureUpdater::Texture> createTexture(cc::CCPrioritizedTextureManager*) OVERRIDE;
+    virtual scoped_ptr<cc::LayerTextureUpdater::Texture> createTexture(cc::CCPrioritizedTextureManager*) OVERRIDE;
     virtual SampledTexelFormat sampledTexelFormat(GC3Denum) OVERRIDE;
 
     virtual void prepareToUpdate(const cc::IntRect& contentRect, const cc::IntSize&, float, float, cc::IntRect& resultingOpaqueRect, cc::CCRenderingStats&) OVERRIDE;
@@ -59,6 +58,9 @@ public:
 
     void setOpaquePaintRect(const cc::IntRect& opaquePaintRect) { m_opaquePaintRect = opaquePaintRect; }
 
+protected:
+    virtual ~FakeLayerTextureUpdater();
+
 private:
     int m_prepareCount;
     int m_updateCount;
@@ -104,7 +106,7 @@ protected:
     virtual ~FakeTiledLayerChromium();
 
 private:
-    RefPtr<FakeLayerTextureUpdater> m_fakeTextureUpdater;
+    scoped_refptr<FakeLayerTextureUpdater> m_fakeTextureUpdater;
     cc::CCPrioritizedTextureManager* m_textureManager;
     cc::FloatRect m_lastNeedsDisplayRect;
 };