Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/cma/base/balanced_media_task_runner_unittest.cc

Index: chromecast/media/cma/base/balanced_media_task_runner_unittest.cc
diff --git a/chromecast/media/cma/base/balanced_media_task_runner_unittest.cc b/chromecast/media/cma/base/balanced_media_task_runner_unittest.cc
index 5ac52d30881dc161e35d8ced2843a651664d9283..7f903800dea21d4a9fc151c6d446c8ec2d419efe 100644
--- a/chromecast/media/cma/base/balanced_media_task_runner_unittest.cc
+++ b/chromecast/media/cma/base/balanced_media_task_runner_unittest.cc
@@ -5,12 +5,12 @@
 #include <stddef.h>
 
 #include <list>
+#include <memory>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
@@ -207,7 +207,7 @@ void BalancedMediaTaskRunnerTest::OnTestTimeout() {
 }
 
 TEST_F(BalancedMediaTaskRunnerTest, OneTaskRunner) {
-  scoped_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
+  std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
 
   // Timestamps of tasks for the single task runner.
   int timestamps0_ms[] = {0, 10, 20, 30, 40, 30, 50, 60, 20, 30, 70};
@@ -235,7 +235,7 @@ TEST_F(BalancedMediaTaskRunnerTest, OneTaskRunner) {
 }
 
 TEST_F(BalancedMediaTaskRunnerTest, TwoTaskRunnerUnbalanced) {
-  scoped_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
+  std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
 
   // Timestamps of tasks for the 2 task runners.
   int timestamps0_ms[] = {0, 10, 20, 30, 40, 30, 50, 60, 20, 30, 70};
@@ -268,7 +268,7 @@ TEST_F(BalancedMediaTaskRunnerTest, TwoTaskRunnerUnbalanced) {
 }
 
 TEST_F(BalancedMediaTaskRunnerTest, TwoStreamsOfDifferentLength) {
-  scoped_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
+  std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
 
   std::vector<std::vector<int>> timestamps = {
       // One longer stream and one shorter stream.