Convert //ppapi to use std::unique_ptr

ppapi/shared_impl/media_stream_buffer_manager.h

Index: ppapi/shared_impl/media_stream_buffer_manager.h
diff --git a/ppapi/shared_impl/media_stream_buffer_manager.h b/ppapi/shared_impl/media_stream_buffer_manager.h
index d965b11b026a47ec6de7ac0a415a1cea3d0b0c8e..6a1cf0dd5d196222bf01a6a3a2e3cb2680a2f8c9 100644
--- a/ppapi/shared_impl/media_stream_buffer_manager.h
+++ b/ppapi/shared_impl/media_stream_buffer_manager.h
@@ -8,11 +8,11 @@
 #include <stdint.h>
 
 #include <deque>
+#include <memory>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
 
@@ -61,7 +61,7 @@ class PPAPI_SHARED_EXPORT MediaStreamBufferManager {
   // Initializes shared memory for buffers transmission.
   bool SetBuffers(int32_t number_of_buffers,
                   int32_t buffer_size,
-                  scoped_ptr<base::SharedMemory> shm,
+                  std::unique_ptr<base::SharedMemory> shm,
                   bool enqueue_all_buffers);
 
   // Dequeues a buffer from |buffer_queue_|.
@@ -95,7 +95,7 @@ class PPAPI_SHARED_EXPORT MediaStreamBufferManager {
   int32_t number_of_buffers_;
 
   // A memory block shared between renderer process and plugin process.
-  scoped_ptr<base::SharedMemory> shm_;
+  std::unique_ptr<base::SharedMemory> shm_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamBufferManager);
 };