cc: switch to new WebLayerTreeViewClient API for requesting font atlas

cc/layer_tree_host.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYER_TREE_HOST_H_
 #define CC_LAYER_TREE_HOST_H_
 
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 22 matching lines @@
 struct hash<WebKit::WebGraphicsContext3D*> {
   size_t operator()(WebKit::WebGraphicsContext3D* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
   }
 };
 } // namespace BASE_HASH_NAMESPACE
 #endif // COMPILER
 
 namespace cc {
 
-class FontAtlas;
 class Layer;
 class LayerTreeHostImpl;
 class LayerTreeHostImplClient;
 class PrioritizedResourceManager;
 class ResourceUpdateQueue;
 class HeadsUpDisplayLayer;
 class Region;
 struct ScrollAndScaleSet;
 
 struct CC_EXPORT LayerTreeDebugState {
     LayerTreeDebugState();
     ~LayerTreeDebugState();
 
     bool showFPSCounter;
     bool showPlatformLayerTree;
     bool showDebugBorders;
 
     bool showPaintRects;
     bool showPropertyChangedRects;
     bool showSurfaceDamageRects;
     bool showScreenSpaceRects;
     bool showReplicaScreenSpaceRects;
     bool showOccludingRects;
     bool showNonOccludingRects;
 
     bool showHudInfo() const;
     bool showHudRects() const;
+    bool hudNeedsFont() const;
 
     static bool equal(const LayerTreeDebugState& a, const LayerTreeDebugState& b);
     static LayerTreeDebugState unite(const LayerTreeDebugState& a, const LayerTreeDebugState& b);
 };
 
 struct CC_EXPORT LayerTreeSettings {
     LayerTreeSettings();
     ~LayerTreeSettings();
 
     bool acceleratePainting;
@@ skipping 149 matching lines @@
 
     // RateLimitClient implementation
     virtual void rateLimit() OVERRIDE;
 
     bool bufferedUpdates();
     bool requestPartialTextureUpdate();
 
     void setDeviceScaleFactor(float);
     float deviceScaleFactor() const { return m_deviceScaleFactor; }
 
-    void setFontAtlas(scoped_ptr<FontAtlas>);
-
     HeadsUpDisplayLayer* hudLayer() const { return m_hudLayer.get(); }
 
     Proxy* proxy() const { return m_proxy.get(); }
 
 protected:
     LayerTreeHost(LayerTreeHostClient*, const LayerTreeSettings&);
     bool initialize(scoped_ptr<Thread> implThread);
 
 private:
     typedef std::vector<scoped_refptr<Layer> > LayerList;
 
     void initializeRenderer();
 
     void update(Layer*, ResourceUpdateQueue&, const OcclusionTracker*);
     bool paintLayerContents(const LayerList&, ResourceUpdateQueue&);
     bool paintMasksForRenderSurface(Layer*, ResourceUpdateQueue&);
 
     void updateLayers(Layer*, ResourceUpdateQueue&);
     void triggerPrepaint();
 
     void prioritizeTextures(const LayerList&, OverdrawMetrics&); 
     void setPrioritiesForSurfaces(size_t surfaceMemoryBytes);
     void setPrioritiesForLayers(const LayerList&);
     size_t calculateMemoryForRenderSurfaces(const LayerList& updateList);
 
     void animateLayers(base::TimeTicks monotonicTime);
     bool animateLayersRecursive(Layer* current, base::TimeTicks time);
     void setAnimationEventsRecursive(const AnimationEventsVector&, Layer*, base::Time wallClockTime);
 
-    void createHUDLayerIfNeeded();
-
     bool m_animating;
     bool m_needsAnimateLayers;
 
     base::CancelableClosure m_prepaintCallback;
 
     LayerTreeHostClient* m_client;
     scoped_ptr<Proxy> m_proxy;
 
     int m_commitNumber;
     RenderingStats m_renderingStats;
@@ skipping 33 matching lines @@
     size_t m_partialTextureUpdateRequests;
 
     static bool s_needsFilterContext;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_H_