cc: Ensure that large damage doesn't register as "frame has no damage"

cc/layers/render_surface_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_LAYERS_RENDER_SURFACE_IMPL_H_
 #define CC_LAYERS_RENDER_SURFACE_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 125 matching lines @@
 
   bool HasCopyRequest() const;
 
   void ResetPropertyChangedFlags();
   bool SurfacePropertyChanged() const;
   bool SurfacePropertyChangedOnlyFromDescendant() const;
   bool AncestorPropertyChanged() const;
   void NoteAncestorPropertyChanged();
 
   DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
+  gfx::Rect GetDamageRect();
 
   int GetRenderPassId();
 
   void AppendRenderPasses(RenderPassSink* pass_sink);
   void AppendQuads(RenderPass* render_pass, AppendQuadsData* append_quads_data);
 
   int TransformTreeIndex() const;
   int ClipTreeIndex() const;
 
   void set_effect_tree_index(int index) { effect_tree_index_ = index; }
@@ skipping 57 matching lines @@
   int target_render_surface_layer_index_history_;
   size_t current_layer_index_history_;
 
   friend class LayerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 };
 
 }  // namespace cc
 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_