cc: Only register live tiles with the TileManager

cc/picture_layer_tiling_set_unittest.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/picture_layer_tiling_set.h"
 
 #include "cc/resource_pool.h"
 #include "cc/resource_provider.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_picture_layer_tiling_client.h"
@@ skipping 56 matching lines @@
     FakePictureLayerTilingClient client;
     client.SetTileSize(gfx::Size(256, 256));
     PictureLayerTilingSet set(&client);
 
     gfx::Size layer_bounds(1000, 800);
     set.SetLayerBounds(layer_bounds);
 
     float scale = min_scale;
     for (int i = 0; i < num_tilings; ++i, scale += scale_increment) {
       PictureLayerTiling* tiling = set.AddTiling(scale);
+      tiling->RegisterAllTilesManagedForTesting();
       std::vector<Tile*> tiles = tiling->AllTilesForTesting();
       for (size_t i = 0; i < tiles.size(); ++i) {
         EXPECT_FALSE(tiles[i]->ManagedStateForTesting()->resource);
 
         tiles[i]->ManagedStateForTesting()->resource =
             make_scoped_ptr(new ResourcePool::Resource(
                 resource_provider.get(),
                 gfx::Size(1, 1),
                 resource_provider->bestTextureFormat()));
       }
@@ skipping 57 matching lines @@
 TEST_F(PictureLayerTilingSetTestWithResources, ManyTilings_Equal) {
   runTest(10, 1.f, 1.f, 5.f, 5.f);
 }
 
 TEST_F(PictureLayerTilingSetTestWithResources, ManyTilings_NotEqual) {
   runTest(10, 1.f, 1.f, 4.5f, 5.f);
 }
 
 }  // namespace
 }  // namespace cc