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

cc/trees/damage_tracker_unittest.cc

 // Copyright 2011 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/trees/damage_tracker.h"
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
@@ skipping 715 matching lines @@
   // leftover from the previous case.
   ClearDamageForAllSurfaces(root.get());
   EmulateDrawingOneFrame(root.get());
 
   root_damage_rect =
           root->render_surface()->damage_tracker()->current_damage_rect();
   EXPECT_TRUE(root_damage_rect.IsEmpty());
 
   // Then, test removing child1.
   root->RemoveChild(child1);
-  child1 = NULL;
+  child1 = nullptr;
   EmulateDrawingOneFrame(root.get());
 
   root_damage_rect =
           root->render_surface()->damage_tracker()->current_damage_rect();
   EXPECT_EQ(gfx::Rect(100, 100, 30, 30).ToString(),
             root_damage_rect.ToString());
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForNewUnchangedLayer) {
   // If child2 is added to the layer tree, but it doesn't have any explicit
@@ skipping 634 matching lines @@
 
   ASSERT_TRUE(root == root->render_target());
   RenderSurfaceImpl* target_surface = root->render_surface();
 
   LayerImplList empty_list;
   target_surface->damage_tracker()->UpdateDamageTrackingState(
       empty_list,
       target_surface->OwningLayerId(),
       false,
       gfx::Rect(),
-      NULL,
+      nullptr,
       FilterOperations());
 
   gfx::Rect damage_rect =
       target_surface->damage_tracker()->current_damage_rect();
   EXPECT_TRUE(damage_rect.IsEmpty());
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageAccumulatesUntilReset) {
   // If damage is not cleared, it should accumulate.
 
@@ skipping 60 matching lines @@
     gfx::Rect root_damage_rect =
         root->render_surface()->damage_tracker()->current_damage_rect();
     gfx::Rect damage_we_care_about = gfx::Rect(i, i);
     EXPECT_LE(damage_we_care_about.right(), root_damage_rect.right());
     EXPECT_LE(damage_we_care_about.bottom(), root_damage_rect.bottom());
   }
 }
 
 }  // namespace
 }  // namespace cc