Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/cma/test/mock_frame_consumer.cc

Index: chromecast/media/cma/test/mock_frame_consumer.cc
diff --git a/chromecast/media/cma/test/mock_frame_consumer.cc b/chromecast/media/cma/test/mock_frame_consumer.cc
index 07335e66205733cbf1bd2efd5bd4d09c42e0c167..a90c6cb601e95753e1e0a32747438115763fdd1a 100644
--- a/chromecast/media/cma/test/mock_frame_consumer.cc
+++ b/chromecast/media/cma/test/mock_frame_consumer.cc
@@ -31,7 +31,7 @@ MockFrameConsumer::~MockFrameConsumer() {
 void MockFrameConsumer::Configure(
     const std::vector<bool>& delayed_task_pattern,
     bool last_read_aborted_by_flush,
-    scoped_ptr<FrameGeneratorForTest> frame_generator) {
+    std::unique_ptr<FrameGeneratorForTest> frame_generator) {
   delayed_task_pattern_ = delayed_task_pattern;
   last_read_aborted_by_flush_ = last_read_aborted_by_flush;
   frame_generator_.reset(frame_generator.release());