Replace scoped_ptr with unique_ptr in webrtc/media/

webrtc/media/base/testutils.cc

Index: webrtc/media/base/testutils.cc
diff --git a/webrtc/media/base/testutils.cc b/webrtc/media/base/testutils.cc
index d28fa0fc6df7fbaa42570810738b4060cea0b1bc..33d0a9727dddc3b8ed8945802d9c58dd466b3cde 100644
--- a/webrtc/media/base/testutils.cc
+++ b/webrtc/media/base/testutils.cc
@@ -12,6 +12,7 @@
 
 #include <math.h>
 #include <algorithm>
+#include <memory>
 
 #include "webrtc/base/bytebuffer.h"
 #include "webrtc/base/fileutils.h"
@@ -265,7 +266,7 @@ bool LoadPlanarYuvTestImage(const std::string& prefix,
   std::stringstream ss;
   ss << prefix << "." << width << "x" << height << "_P420.yuv";
 
-  rtc::scoped_ptr<rtc::FileStream> stream(
+  std::unique_ptr<rtc::FileStream> stream(
       rtc::Filesystem::OpenFile(rtc::Pathname(
           GetTestFilePath(ss.str())), "rb"));
   if (!stream) {