Convert //chrome from scoped_ptr to std::unique_ptr

chrome/utility/media_galleries/pmp_column_reader.h

Index: chrome/utility/media_galleries/pmp_column_reader.h
diff --git a/chrome/utility/media_galleries/pmp_column_reader.h b/chrome/utility/media_galleries/pmp_column_reader.h
index 7f885eaa925cad1ac4a0e375faccd28d11b9f823..9510f397de3824a779c304f6b46ee8bed4b62e8d 100644
--- a/chrome/utility/media_galleries/pmp_column_reader.h
+++ b/chrome/utility/media_galleries/pmp_column_reader.h
@@ -7,11 +7,11 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/common/media_galleries/pmp_constants.h"
 
 namespace base {
@@ -49,7 +49,7 @@ class PmpColumnReader {
   int64_t IndexStrings();
 
   // Source data
-  scoped_ptr<uint8_t[]> data_;
+  std::unique_ptr<uint8_t[]> data_;
   int64_t length_;
 
   // Header data