cc: handling debug settings in new LayerTreeDebugState structure

cc/layer_tree_host.h

Index: cc/layer_tree_host.h
diff --git a/cc/layer_tree_host.h b/cc/layer_tree_host.h
index 5056345d07c8fb6810413415eaf7fc2993842adf..631f2ca3e19f8330ac68104093553298ca64b1f2 100644
--- a/cc/layer_tree_host.h
+++ b/cc/layer_tree_host.h
@@ -56,14 +56,6 @@ struct CC_EXPORT LayerTreeSettings {
 
     bool acceleratePainting;
     bool showDebugBorders;
-    bool showPlatformLayerTree;
-    bool showPaintRects;
-    bool showPropertyChangedRects;
-    bool showSurfaceDamageRects;
-    bool showScreenSpaceRects;
-    bool showReplicaScreenSpaceRects;
-    bool showOccludingRects;
-    bool showNonOccludingRects;
     bool renderVSyncEnabled;
     bool perTilePaintingEnabled;
     bool partialSwapEnabled;
@@ -76,9 +68,6 @@ struct CC_EXPORT LayerTreeSettings {
     gfx::Size defaultTileSize;
     gfx::Size maxUntiledLayerSize;
     gfx::Size minimumOcclusionTrackingSize;
-
-    bool showDebugInfo() const { return showPlatformLayerTree || showDebugRects(); }
-    bool showDebugRects() const { return showPaintRects || showPropertyChangedRects || showSurfaceDamageRects || showScreenSpaceRects || showReplicaScreenSpaceRects || showOccludingRects || showNonOccludingRects; }
 };
 
 // Provides information on an Impl's rendering capabilities back to the LayerTreeHost
@@ -216,10 +205,8 @@ public:
     void setDeviceScaleFactor(float);
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
 
-    void setShowFPSCounter(bool show);
-    void setFontAtlas(scoped_ptr<FontAtlas>);
-
     HeadsUpDisplayLayer* hudLayer() const { return m_hudLayer.get(); }
+    HeadsUpDisplayLayer* requestHUDLayer();
 
     Proxy* proxy() const { return m_proxy.get(); }
 
@@ -248,8 +235,6 @@ private:
     bool animateLayersRecursive(Layer* current, base::TimeTicks time);
     void setAnimationEventsRecursive(const AnimationEventsVector&, Layer*, base::Time wallClockTime);
 
-    void createHUDLayerIfNeeded();
-
     bool m_animating;
     bool m_needsAnimateLayers;