Convert //content/renderer from scoped_ptr to std::unique_ptr

content/renderer/history_serialization.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/history_serialization.h"
 
 #include <stddef.h>
 
 #include "content/common/page_state_serialization.h"
 #include "content/public/common/page_state.h"
@@ skipping 180 matching lines @@
                            &state.referenced_files);
   GenerateFrameStateFromItem(item, &state.top);
 
   std::string encoded_data;
   if (!EncodePageState(state, &encoded_data))
     return PageState();
 
   return PageState::CreateFromEncodedData(encoded_data);
 }
 
-scoped_ptr<HistoryEntry> PageStateToHistoryEntry(const PageState& page_state) {
+std::unique_ptr<HistoryEntry> PageStateToHistoryEntry(
+    const PageState& page_state) {
   ExplodedPageState state;
   if (!DecodePageState(page_state.ToEncodedData(), &state))
-    return scoped_ptr<HistoryEntry>();
+    return std::unique_ptr<HistoryEntry>();
 
-  scoped_ptr<HistoryEntry> entry(new HistoryEntry());
+  std::unique_ptr<HistoryEntry> entry(new HistoryEntry());
   RecursivelyGenerateHistoryItem(state.top, entry->root_history_node());
 
   return entry;
 }
 
 }  // namespace content