base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

ash/touch/touch_hud_debug.cc

 // Copyright 2013 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 "ash/touch/touch_hud_debug.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 142 matching lines @@
 
   bool active() const {
     return !log_.empty() && log_.back().type != ui::ET_TOUCH_RELEASED &&
         log_.back().type != ui::ET_TOUCH_CANCELLED;
   }
 
   // Returns a list containing data from all events for the touch point.
   std::unique_ptr<base::ListValue> GetAsList() const {
     std::unique_ptr<base::ListValue> list(new base::ListValue());
     for (const_iterator i = log_.begin(); i != log_.end(); ++i)
-      list->Append((*i).GetAsDictionary().release());
+      list->Append((*i).GetAsDictionary());
     return list;
   }
 
   void Reset() {
     log_.clear();
   }
 
  private:
   std::vector<TouchPointLog> log_;
 
@@ skipping 15 matching lines @@
   void Reset() {
     next_trace_index_ = 0;
     for (int i = 0; i < kMaxPaths; ++i)
       traces_[i].Reset();
   }
 
   std::unique_ptr<base::ListValue> GetAsList() const {
     std::unique_ptr<base::ListValue> list(new base::ListValue());
     for (int i = 0; i < kMaxPaths; ++i) {
       if (!traces_[i].log().empty())
-        list->Append(traces_[i].GetAsList().release());
+        list->Append(traces_[i].GetAsList());
     }
     return list;
   }
 
   int GetTraceIndex(int touch_id) const {
     return touch_id_to_trace_index_.at(touch_id);
   }
 
   const TouchTrace* traces() const {
     return traces_;
@@ skipping 263 matching lines @@
     RootWindowController* controller) {
   controller->set_touch_hud_debug(this);
 }
 
 void TouchHudDebug::UnsetHudForRootWindowController(
     RootWindowController* controller) {
   controller->set_touch_hud_debug(NULL);
 }
 
 }  // namespace ash