Remove raw base::DictionaryValue::Set in //content

content/browser/gpu/gpu_data_manager_impl.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 129 matching lines @@
   // Returns the workarounds that are applied to the current system as
   // a vector of strings.
   std::vector<std::string> GetDriverBugWorkarounds() const;
 
   void AddLogMessage(int level,
                      const std::string& header,
                      const std::string& message);
 
   void ProcessCrashed(base::TerminationStatus exit_code);
 
-  // Returns a new copy of the ListValue.  Caller is responsible to release
-  // the returned value.
-  base::ListValue* GetLogMessages() const;
+  // Returns a new copy of the ListValue.
+  std::unique_ptr<base::ListValue> GetLogMessages() const;
 
   // Called when switching gpu.
   void HandleGpuSwitch();
 
   // Maintenance of domains requiring explicit user permission before
   // using client-facing 3D APIs (WebGL, Pepper 3D), either because
   // the domain has caused the GPU to reset, or because too many GPU
   // resets have been observed globally recently, and system stability
   // might be compromised.
   //
@@ skipping 62 matching lines @@
 
   mutable base::Lock lock_;
   std::unique_ptr<GpuDataManagerImplPrivate> private_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_