cc: Fix DCHECK in tile manager queue perftests.

cc/resources/tile_manager_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 "base/time/time.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/resources/tile.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 333 matching lines @@
   RunManageTilesTest("5_1000", 5, 1000);
   RunManageTilesTest("10_100", 10, 100);
   RunManageTilesTest("10_500", 10, 500);
   RunManageTilesTest("10_1000", 10, 1000);
   RunManageTilesTest("100_100", 100, 100);
   RunManageTilesTest("100_500", 100, 500);
   RunManageTilesTest("100_1000", 100, 1000);
 }
 
 TEST_F(TileManagerPerfTest, RasterTileQueueConstruct) {
-  SetupDefaultTrees(gfx::Size(10000, 10000));
+  SetupDefaultTrees(gfx::Size(1000, 1000));
   active_root_layer_->CreateDefaultTilingsAndTiles();
   pending_root_layer_->CreateDefaultTilingsAndTiles();
 
   RunRasterQueueConstructTest("2");
 
-  for (int i = 0; i < 8; ++i) {
-    PictureLayerTiling* tiling = active_root_layer_->AddTiling(i * 0.3f);
+  int number_of_tilings = 2;
+  for (; number_of_tilings < 10; ++number_of_tilings) {
+    PictureLayerTiling* tiling =
+        active_root_layer_->AddTiling(1.0f + number_of_tilings * 0.3f);
     tiling->CreateAllTilesForTesting();
   }
 
   RunRasterQueueConstructTest("10");
 
-  for (int i = 0; i < 90; ++i) {
+  for (; number_of_tilings < 50; ++number_of_tilings) {
     PictureLayerTiling* tiling =
-        active_root_layer_->AddTiling(1.0f + i * 0.03f);
+        active_root_layer_->AddTiling(1.0f + number_of_tilings * 0.3f);
     tiling->CreateAllTilesForTesting();
   }
 
-  RunRasterQueueConstructTest("100");
+  RunRasterQueueConstructTest("50");
 }
 
 TEST_F(TileManagerPerfTest, RasterTileQueueConstructAndIterate) {
   SetupDefaultTrees(gfx::Size(10000, 10000));
   active_root_layer_->CreateDefaultTilingsAndTiles();
   pending_root_layer_->CreateDefaultTilingsAndTiles();
 
   RunRasterQueueConstructAndIterateTest("2_16", 16);
   RunRasterQueueConstructAndIterateTest("2_32", 32);
   RunRasterQueueConstructAndIterateTest("2_64", 64);
   RunRasterQueueConstructAndIterateTest("2_128", 128);
 }
 
 }  // namespace
 
 }  // namespace cc