Smart layer invalidation for LCD text.

cc/resources/picture_layer_tiling_set.cc

 // Copyright 2012 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.
 
 #include "cc/resources/picture_layer_tiling_set.h"
 
 #include <limits>
 
 namespace cc {
 
@@ skipping 63 matching lines @@
 
 gfx::Size PictureLayerTilingSet::LayerBounds() const {
   return layer_bounds_;
 }
 
 void PictureLayerTilingSet::Invalidate(const Region& layer_invalidation) {
   for (size_t i = 0; i < tilings_.size(); ++i)
     tilings_[i]->Invalidate(layer_invalidation);
 }
 
+void PictureLayerTilingSet::InvalidateTilesWithText() {
+  for (size_t i = 0; i < tilings_.size(); ++i)
+    tilings_[i]->InvalidateTilesWithText();
+}
+
 PictureLayerTiling* PictureLayerTilingSet::AddTiling(float contents_scale) {
   tilings_.push_back(PictureLayerTiling::Create(contents_scale));
   PictureLayerTiling* appended = tilings_.back();
   appended->SetClient(client_);
   appended->SetLayerBounds(layer_bounds_);
 
   tilings_.sort(LargestToSmallestScaleFunctor());
   return appended;
 }
 
@@ skipping 219 matching lines @@
 }
 
 scoped_ptr<base::Value> PictureLayerTilingSet::AsValue() const {
   scoped_ptr<base::ListValue> state(new base::ListValue());
   for (size_t i = 0; i < tilings_.size(); ++i)
     state->Append(tilings_[i]->AsValue().release());
   return state.PassAs<base::Value>();
 }
 
 }  // namespace cc