cc: Add tile pool to tile manager.

cc/resources/picture_layer_tiling_perftest.cc

 // Copyright 2013 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.h"
 #include "cc/test/fake_picture_layer_tiling_client.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/perf/perf_test.h"
 
@@ skipping 128 matching lines @@
 
   base::TimeTicks start_time_;
   base::TimeDelta elapsed_;
   int num_runs_;
 };
 
 TEST_F(PictureLayerTilingPerfTest, Invalidate) {
   Region one_tile(gfx::Rect(256, 256));
   RunInvalidateTest("1x1", one_tile);
 
+  Region screen_region(gfx::Rect(5 * 256, 5 * 256));
+  RunInvalidateTest("5x5", screen_region);
+
+  Region large_screen_region(gfx::Rect(15 * 256, 15 * 256));
+  RunInvalidateTest("15x15", large_screen_region);
+
   Region half_region(gfx::Rect(25 * 256, 50 * 256));
   RunInvalidateTest("25x50", half_region);
 
   Region full_region(gfx::Rect(50 * 256, 50 * 256));
   RunInvalidateTest("50x50", full_region);
 }
 
 #if defined(OS_ANDROID)
 // TODO(vmpstr): Investigate why this is noisy (crbug.com/310220).
 TEST_F(PictureLayerTilingPerfTest, DISABLED_UpdateTilePriorities) {
 #else
 TEST_F(PictureLayerTilingPerfTest, UpdateTilePriorities) {
 #endif  // defined(OS_ANDROID)
   gfx::Transform transform;
   RunUpdateTilePrioritiesStationaryTest("no_transform", transform);
   RunUpdateTilePrioritiesScrollingTest("no_transform", transform);
 
   transform.Rotate(10);
   RunUpdateTilePrioritiesStationaryTest("rotation", transform);
   RunUpdateTilePrioritiesScrollingTest("rotation", transform);
 
   transform.ApplyPerspectiveDepth(10);
   RunUpdateTilePrioritiesStationaryTest("perspective", transform);
   RunUpdateTilePrioritiesScrollingTest("perspective", transform);
 }
 
 }  // namespace
 
 }  // namespace cc