Replace scoped_ptr with std::unique_ptr in //media.

media/cdm/simple_cdm_allocator.cc

Index: media/cdm/simple_cdm_allocator.cc
diff --git a/media/cdm/simple_cdm_allocator.cc b/media/cdm/simple_cdm_allocator.cc
index 2ae4dd890a1a46012c582ba05f670b703781653f..45a5a38f83d75b57e6372464cdfa476eee16bf02 100644
--- a/media/cdm/simple_cdm_allocator.cc
+++ b/media/cdm/simple_cdm_allocator.cc
@@ -4,6 +4,7 @@
 
 #include "media/cdm/simple_cdm_allocator.h"
 
+#include "base/memory/ptr_util.h"
 #include "media/base/video_frame.h"
 #include "media/cdm/cdm_helpers.h"
 #include "media/cdm/simple_cdm_buffer.h"
@@ -66,8 +67,8 @@ cdm::Buffer* SimpleCdmAllocator::CreateCdmBuffer(size_t capacity) {
 }
 
 // Creates a new SimpleCdmVideoFrame on every request.
-scoped_ptr<VideoFrameImpl> SimpleCdmAllocator::CreateCdmVideoFrame() {
-  return make_scoped_ptr(new SimpleCdmVideoFrame());
+std::unique_ptr<VideoFrameImpl> SimpleCdmAllocator::CreateCdmVideoFrame() {
+  return base::WrapUnique(new SimpleCdmVideoFrame());
 }
 
 }  // namespace media