cc: Avoid pointless gfx::Point/Size contructors when making Rects.

cc/resources/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 "cc/resources/layer_tiling_data.h"
 
 #include "base/logging.h"
 
 namespace cc {
 
@@ skipping 102 matching lines @@
   tiling_data_.SetTotalSize(size);
   if (size.IsEmpty()) {
     tiles_.clear();
     return;
   }
 
   // Any tiles completely outside our new bounds are invalid and should be
   // dropped.
   int left, top, right, bottom;
   ContentRectToTileIndices(
-      gfx::Rect(gfx::Point(), size), &left, &top, &right, &bottom);
+      gfx::Rect(size), &left, &top, &right, &bottom);
   std::vector<TileMapKey> invalid_tile_keys;
   for (TileMap::const_iterator it = tiles_.begin(); it != tiles_.end(); ++it) {
     if (it->first.first > right || it->first.second > bottom)
       invalid_tile_keys.push_back(it->first);
   }
   for (size_t i = 0; i < invalid_tile_keys.size(); ++i)
     tiles_.erase(invalid_tile_keys[i]);
 }
 
 }  // namespace cc