Mark layers that can use LCD text based on layer transform and opacity.

cc/layer.h

Index: cc/layer.h
diff --git a/cc/layer.h b/cc/layer.h
index caafa9d474d0c243d36223a608da9c0788754804..cec62c69a55eec740a69f63f8b587767944f2753 100644
--- a/cc/layer.h
+++ b/cc/layer.h
@@ -173,8 +173,8 @@ public:
     void setUseParentBackfaceVisibility(bool useParentBackfaceVisibility) { m_useParentBackfaceVisibility = useParentBackfaceVisibility; }
     bool useParentBackfaceVisibility() const { return m_useParentBackfaceVisibility; }
 
-    virtual void setUseLCDText(bool);
-    bool useLCDText() const { return m_useLCDText; }
+    virtual void setCanUseLCDText(bool);
+    bool canUseLCDText() const { return m_canUseLCDText; }
 
     virtual void setLayerTreeHost(LayerTreeHost*);
 
@@ -211,6 +211,8 @@ public:
 
     bool drawOpacityIsAnimating() const { return m_drawOpacityIsAnimating; }
     void setDrawOpacityIsAnimating(bool drawOpacityIsAnimating) { m_drawOpacityIsAnimating = drawOpacityIsAnimating; }
+    bool screenSpaceOpacityIsAnimating() const { return m_screenSpaceOpacityIsAnimating; }
+    void setScreenSpaceOpacityIsAnimating(bool animating) { m_screenSpaceOpacityIsAnimating = animating; }
 
     Layer* renderTarget() const { DCHECK(!m_renderTarget || m_renderTarget->renderSurface()); return m_renderTarget; }
     void setRenderTarget(Layer* target) { m_renderTarget = target; }
@@ -373,7 +375,7 @@ private:
     bool m_masksToBounds;
     bool m_contentsOpaque;
     bool m_doubleSided;
-    bool m_useLCDText;
+    bool m_canUseLCDText;
     bool m_preserves3D;
     bool m_useParentBackfaceVisibility;
     bool m_drawCheckerboardForMissingTiles;
@@ -389,6 +391,7 @@ private:
     scoped_ptr<RenderSurface> m_renderSurface;
     float m_drawOpacity;
     bool m_drawOpacityIsAnimating;
+    bool m_screenSpaceOpacityIsAnimating;
 
     Layer* m_renderTarget;