Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/app_window/app_window_geometry_cache.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 "extensions/browser/app_window/app_window_geometry_cache.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 88 matching lines @@
 void AppWindowGeometryCache::SyncToStorage() {
   std::set<std::string> tosync;
   tosync.swap(unsynced_extensions_);
   for (std::set<std::string>::const_iterator it = tosync.begin(),
                                              eit = tosync.end();
        it != eit;
        ++it) {
     const std::string& extension_id = *it;
     const ExtensionData& extension_data = cache_[extension_id];
 
-    scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
+    std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
     for (ExtensionData::const_iterator it = extension_data.begin(),
                                        eit = extension_data.end();
          it != eit;
          ++it) {
       base::DictionaryValue* value = new base::DictionaryValue;
       const gfx::Rect& bounds = it->second.bounds;
       const gfx::Rect& screen_bounds = it->second.screen_bounds;
       DCHECK(!bounds.IsEmpty());
       DCHECK(!screen_bounds.IsEmpty());
       DCHECK(it->second.window_state != ui::SHOW_STATE_DEFAULT);
@@ skipping 180 matching lines @@
 
 void AppWindowGeometryCache::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppWindowGeometryCache::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace extensions