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

cc/content_layer.h

Index: cc/content_layer.h
diff --git a/cc/content_layer.h b/cc/content_layer.h
index 5505d85ffd33cc832798a5a8630584abb1a854de..3090cb9b6640e83e614410a1e282bf7c1ecf6d6b 100644
--- a/cc/content_layer.h
+++ b/cc/content_layer.h
@@ -53,8 +53,19 @@ private:
     virtual LayerUpdater* updater() const OVERRIDE;
     virtual void createUpdaterIfNeeded() OVERRIDE;
 
+    void syncCanUseLCDText();
+    // Called when LCD text setting is about to potentially change.
+    // If this function returns true, the setting is allowed to change.
+    // If it returns false, the setting is not changed.
+    bool canUseLCDTextWillChange() const;
+    void canUseLCDTextDidChange();
+
     ContentLayerClient* m_client;
     scoped_refptr<LayerUpdater> m_updater;
+
+    bool m_canUseLCDText;

[enne (OOO), 2012/12/12 17:56:52]

You need to initialize this in the constructor.

[alokp, 2012/12/12 19:03:04]

Done.

+    int m_lcdTextChangeCount;
+    static const int kLCDTextMaxChangeCount;
 };
 
 }