Add scoped_ptr-safe base::Value to Dictionary/List conversion functions.

extensions/utility/unpacker.h

 // Copyright (c) 2012 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 EXTENSIONS_UTILITY_UNPACKER_H_
 #define EXTENSIONS_UTILITY_UNPACKER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 37 matching lines @@
   // of sending them over IPC, since they are so large.  Returns true on
   // success.
   bool DumpImagesToFile();
 
   // Write the decoded messages to kDecodedMessageCatalogsFilename.  We do this
   // instead of sending them over IPC, since they are so large.  Returns true on
   // success.
   bool DumpMessageCatalogsToFile();
 
   // Parse the manifest.json file inside the extension (not in the header).
-  // Caller takes ownership of return value.
-  base::DictionaryValue* ReadManifest();
+  scoped_ptr<base::DictionaryValue> ReadManifest();
 
   // Parse all _locales/*/messages.json files inside the extension.
   bool ReadAllMessageCatalogs(const std::string& default_locale);
 
   // Decodes the image at the given path and puts it in our list of decoded
   // images.
   bool AddDecodedImage(const base::FilePath& path);
 
   // Parses the catalog at the given path and puts it in our list of parsed
   // catalogs.
@@ skipping 32 matching lines @@
 
   // The last error message that was set.  Empty if there were no errors.
   base::string16 error_message_;
 
   DISALLOW_COPY_AND_ASSIGN(Unpacker);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_UTILITY_UNPACKER_H_