cc: Change scoped_ptr<T>() to nullptr.

cc/debug/micro_benchmark_controller_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 "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/debug/micro_benchmark_controller.h"
 #include "cc/layers/layer.h"
 #include "cc/resources/resource_update_queue.h"
@@ skipping 36 matching lines @@
 
 void Noop(scoped_ptr<base::Value> value) {
 }
 
 void IncrementCallCount(int* count, scoped_ptr<base::Value> value) {
   ++(*count);
 }
 
 TEST_F(MicroBenchmarkControllerTest, ScheduleFail) {
   int id = layer_tree_host_->ScheduleMicroBenchmark(
-      "non_existant_benchmark", scoped_ptr<base::Value>(), base::Bind(&Noop));
+      "non_existant_benchmark", nullptr, base::Bind(&Noop));
   EXPECT_EQ(id, 0);
 }
 
 TEST_F(MicroBenchmarkControllerTest, CommitScheduled) {
   EXPECT_FALSE(layer_tree_host_->needs_commit());
   int id = layer_tree_host_->ScheduleMicroBenchmark(
-      "unittest_only_benchmark", scoped_ptr<base::Value>(), base::Bind(&Noop));
+      "unittest_only_benchmark", nullptr, base::Bind(&Noop));
   EXPECT_GT(id, 0);
   EXPECT_TRUE(layer_tree_host_->needs_commit());
 }
 
 TEST_F(MicroBenchmarkControllerTest, BenchmarkRan) {
   int run_count = 0;
   int id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
   layer_tree_host_->SetOutputSurfaceLostForTesting(false);
   layer_tree_host_->UpdateLayers(queue.get());
 
   EXPECT_EQ(1, run_count);
 }
 
 TEST_F(MicroBenchmarkControllerTest, MultipleBenchmarkRan) {
   int run_count = 0;
   int id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
   id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
   layer_tree_host_->SetOutputSurfaceLostForTesting(false);
   layer_tree_host_->UpdateLayers(queue.get());
 
   EXPECT_EQ(2, run_count);
 
   id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
   id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
   layer_tree_host_->UpdateLayers(queue.get());
   EXPECT_EQ(4, run_count);
 
   layer_tree_host_->UpdateLayers(queue.get());
   EXPECT_EQ(4, run_count);
 }
 
@@ skipping 27 matching lines @@
   scoped_ptr<base::DictionaryValue> message(new base::DictionaryValue);
   message->SetBoolean("can_handle", true);
   bool message_handled =
       layer_tree_host_->SendMessageToMicroBenchmark(0, message.Pass());
   EXPECT_FALSE(message_handled);
 
   // Schedule a benchmark
   int run_count = 0;
   int id = layer_tree_host_->ScheduleMicroBenchmark(
       "unittest_only_benchmark",
-      scoped_ptr<base::Value>(),
+      nullptr,
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
   // Send valid message to valid benchmark
   message = make_scoped_ptr(new base::DictionaryValue);
   message->SetBoolean("can_handle", true);
   message_handled =
       layer_tree_host_->SendMessageToMicroBenchmark(id, message.Pass());
   EXPECT_TRUE(message_handled);
 
   // Send invalid message to valid benchmark
   message = make_scoped_ptr(new base::DictionaryValue);
   message->SetBoolean("can_handle", false);
   message_handled =
       layer_tree_host_->SendMessageToMicroBenchmark(id, message.Pass());
   EXPECT_FALSE(message_handled);
 }
 
 }  // namespace
 }  // namespace cc