Remove most remaining references to IntRect and FloatRect.

cc/layer_tiling_data.cc

 // 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.
 
 
 #include "config.h"
 
 #include "cc/layer_tiling_data.h"
 
+#include "IntRect.h"
+#include "IntSize.h"
 #include "base/logging.h"
 
 using namespace std;
 
 namespace cc {
 
 scoped_ptr<LayerTilingData> LayerTilingData::create(const gfx::Size& tileSize, BorderTexelOption border)
 {
     return make_scoped_ptr(new LayerTilingData(tileSize, border));
 }
@@ skipping 90 matching lines @@
     Region opaqueRegion;
     int left, top, right, bottom;
     contentRectToTileIndices(contentRect, left, top, right, bottom);
     for (int j = top; j <= bottom; ++j) {
         for (int i = left; i <= right; ++i) {
             Tile* tile = tileAt(i, j);
             if (!tile)
                 continue;
 
             gfx::Rect tileOpaqueRect = gfx::IntersectRects(contentRect, tile->opaqueRect());
-            opaqueRegion.unite(cc::IntRect(tileOpaqueRect));
+            opaqueRegion.Union(tileOpaqueRect);
         }
     }
     return opaqueRegion;
 }
 
 void LayerTilingData::setBounds(const gfx::Size& size)
 {
     m_tilingData.setTotalSize(cc::IntSize(size));
     if (size.IsEmpty()) {
         m_tiles.clear();
@@ skipping 11 matching lines @@
     for (size_t i = 0; i < invalidTileKeys.size(); ++i)
         m_tiles.erase(invalidTileKeys[i]);
 }
 
 gfx::Size LayerTilingData::bounds() const
 {
     return cc::IntSize(m_tilingData.totalSize());
 }
 
 } // namespace cc