Replace scoped_ptr with unique_ptr in webrtc/media/

webrtc/media/base/videoadapter_unittest.cc

Index: webrtc/media/base/videoadapter_unittest.cc
diff --git a/webrtc/media/base/videoadapter_unittest.cc b/webrtc/media/base/videoadapter_unittest.cc
index a1c910c5ca4c1610242c8107c5ae4bce04f66a38..cc4c37aae20781e9203ae5cf429c14c2b2071cdd 100644
--- a/webrtc/media/base/videoadapter_unittest.cc
+++ b/webrtc/media/base/videoadapter_unittest.cc
@@ -11,6 +11,8 @@
 // If we don't have a WebRtcVideoFrame, just skip all of these tests.
 #if defined(HAVE_WEBRTC_VIDEO)
 #include <limits.h>  // For INT_MAX
+
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -132,9 +134,9 @@ class VideoAdapterTest : public testing::Test {
     EXPECT_EQ(height, stats.adapted_height);
   }
 
-  rtc::scoped_ptr<FakeVideoCapturer> capturer_;
-  rtc::scoped_ptr<VideoAdapter> adapter_;
-  rtc::scoped_ptr<VideoCapturerListener> listener_;
+  std::unique_ptr<FakeVideoCapturer> capturer_;
+  std::unique_ptr<VideoAdapter> adapter_;
+  std::unique_ptr<VideoCapturerListener> listener_;
   VideoFormat capture_format_;
 };