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

cc/layers/picture_image_layer_impl_unittest.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/layers/picture_image_layer_impl.h"
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/resources/tile_priority.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 29 matching lines @@
         host_impl_(ImplSidePaintingSettings(),
                    &proxy_,
                    &shared_bitmap_manager_) {
     tiling_client_.SetTileSize(ImplSidePaintingSettings().default_tile_size);
     host_impl_.CreatePendingTree();
     host_impl_.InitializeRenderer(FakeOutputSurface::Create3d());
   }
 
   scoped_ptr<TestablePictureImageLayerImpl> CreateLayer(int id,
                                                         WhichTree which_tree) {
-    LayerTreeImpl* tree = NULL;
+    LayerTreeImpl* tree = nullptr;
     switch (which_tree) {
       case ACTIVE_TREE:
         tree = host_impl_.active_tree();
         break;
       case PENDING_TREE:
         tree = host_impl_.pending_tree();
         break;
       case NUM_TREES:
         NOTREACHED();
         break;
@@ skipping 80 matching lines @@
   // Create tile and resource.
   active_layer->tilings()->tiling_at(0)->CreateAllTilesForTesting();
   host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(
       active_layer->tilings()->tiling_at(0)->AllTilesForTesting());
 
   // Draw.
   active_layer->draw_properties().visible_content_rect =
       gfx::Rect(active_layer->bounds());
   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
   AppendQuadsData data;
-  active_layer->WillDraw(DRAW_MODE_SOFTWARE, NULL);
+  active_layer->WillDraw(DRAW_MODE_SOFTWARE, nullptr);
   active_layer->AppendQuads(render_pass.get(), Occlusion(), &data);
-  active_layer->DidDraw(NULL);
+  active_layer->DidDraw(nullptr);
 
   EXPECT_EQ(DrawQuad::TILED_CONTENT, render_pass->quad_list.front()->material);
 
   // Tiles are ready at correct scale, so should not set had_incomplete_tile.
   EXPECT_EQ(0, data.num_incomplete_tiles);
 }
 
 }  // namespace
 }  // namespace cc