cc: Don't consider HUD layer for touches

cc/layer_tree_host_impl.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_IMPL_H_
 #define CC_LAYER_TREE_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 245 matching lines @@
 
     void setTreePriority(TreePriority priority);
 
     void beginNextFrame();
     base::TimeTicks currentFrameTime();
 
     scoped_ptr<base::Value> asValue() const;
     scoped_ptr<base::Value> activationStateAsValue() const;
     scoped_ptr<base::Value> frameStateAsValue() const;
 
+    LayerImpl* findLayerThatIsHitByPoint(const gfx::PointF& screenSpacePoint, const std::vector<LayerImpl*>& renderSurfaceLayerList);
+
 protected:
     LayerTreeHostImpl(const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
     void activatePendingTree();
 
     // Virtual for testing.
     virtual void animateLayers(base::TimeTicks monotonicTime, base::Time wallClockTime);
     virtual void updateAnimationState();
 
     // Virtual for testing.
     virtual base::TimeDelta lowFrequencyAnimationInterval() const;
@@ skipping 95 matching lines @@
     base::TimeTicks m_currentFrameTime;
 
     scoped_ptr<AnimationRegistrar> m_animationRegistrar;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_IMPL_H_