[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr in src/…

cc/resources/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/resources/picture_layer_tiling_set.h"
 
 #include <map>
 #include <vector>
 
 #include "cc/resources/resource_pool.h"
@@ skipping 187 matching lines @@
     FakeOutputSurfaceClient output_surface_client;
     scoped_ptr<FakeOutputSurface> output_surface =
         FakeOutputSurface::Create3d();
     CHECK(output_surface->BindToClient(&output_surface_client));
 
     scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
         new TestSharedBitmapManager());
     scoped_ptr<ResourceProvider> resource_provider =
         ResourceProvider::Create(output_surface.get(),
                                  shared_bitmap_manager.get(),
-                                 NULL,
+                                 nullptr,
                                  0,
                                  false,
                                  1,
                                  false);
 
     FakePictureLayerTilingClient client(resource_provider.get());
     client.SetTileSize(gfx::Size(256, 256));
     client.set_tree(PENDING_TREE);
     gfx::Size layer_bounds(1000, 800);
     PictureLayerTilingSet set(&client, layer_bounds);
@@ skipping 204 matching lines @@
   SyncTilings(new_bounds);
   VerifyTargetEqualsSource(new_bounds);
 }
 
 Tile* FindTileAtOrigin(PictureLayerTiling* tiling) {
   std::vector<Tile*> tiles = tiling->AllTilesForTesting();
   for (size_t i = 0; i < tiles.size(); ++i) {
     if (tiles[i]->content_rect().origin() == gfx::Point())
       return tiles[i];
   }
-  return NULL;
+  return nullptr;
 }
 
 TEST_F(PictureLayerTilingSetSyncTest, KeepExisting) {
   float source_scales[] = {0.7f, 1.f, 1.1f, 2.f};
   for (size_t i = 0; i < arraysize(source_scales); ++i)
     source_->AddTiling(source_scales[i]);
   float target_scales[] = {0.5f, 1.f, 2.f};
   for (size_t i = 0; i < arraysize(target_scales); ++i)
     target_->AddTiling(target_scales[i]);
 
@@ skipping 113 matching lines @@
   std::vector<Tile*> new_tiles = target_->tiling_at(0)->AllTilesForTesting();
   for (size_t i = 0; i < original_tiles.size(); ++i) {
     std::vector<Tile*>::iterator find =
         std::find(new_tiles.begin(), new_tiles.end(), original_tiles[i]);
     EXPECT_TRUE(find == new_tiles.end());
   }
 }
 
 }  // namespace
 }  // namespace cc