Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

base/values.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.
 
 // This file specifies a recursive data storage class called Value intended for
 // storing settings and other persistable data.
 //
 // A Value represents something that can be stored in JSON or passed to/from
 // JavaScript. As such, it is NOT a generalized variant type, since only the
 // types supported by JavaScript/JSON are supported.
@@ skipping 12 matching lines @@
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
+#include "base/strings/string_piece.h"
 
 namespace base {
 
 class BinaryValue;
 class DictionaryValue;
 class FundamentalValue;
 class ListValue;
 class StringValue;
 class Value;
 
@@ skipping 220 matching lines @@
                                      const string16& in_value);
 
   // Gets the Value associated with the given path starting from this object.
   // A path has the form "<key>" or "<key>.<key>.[...]", where "." indexes
   // into the next DictionaryValue down.  If the path can be resolved
   // successfully, the value for the last key in the path will be returned
   // through the |out_value| parameter, and the function will return true.
   // Otherwise, it will return false and |out_value| will be untouched.
   // Note that the dictionary always owns the value that's returned.
   // |out_value| is optional and will only be set if non-NULL.
-  bool Get(const std::string& path, const Value** out_value) const;
-  bool Get(const std::string& path, Value** out_value);
+  bool Get(StringPiece path, const Value** out_value) const;
+  bool Get(StringPiece path, Value** out_value);
 
   // These are convenience forms of Get().  The value will be retrieved
   // and the return value will be true if the path is valid and the value at
   // the end of the path can be returned in the form specified.
   // |out_value| is optional and will only be set if non-NULL.
   bool GetBoolean(const std::string& path, bool* out_value) const;
   bool GetInteger(const std::string& path, int* out_value) const;
   // Values of both type TYPE_INTEGER and TYPE_DOUBLE can be obtained as
   // doubles.
   bool GetDouble(const std::string& path, double* out_value) const;
   bool GetString(const std::string& path, std::string* out_value) const;
   bool GetString(const std::string& path, string16* out_value) const;
   bool GetStringASCII(const std::string& path, std::string* out_value) const;
   bool GetBinary(const std::string& path, const BinaryValue** out_value) const;
   bool GetBinary(const std::string& path, BinaryValue** out_value);
-  bool GetDictionary(const std::string& path,
-                     const DictionaryValue** out_value) const;
-  bool GetDictionary(const std::string& path, DictionaryValue** out_value);
+  bool GetDictionary(StringPiece path, const DictionaryValue** out_value) const;
+  bool GetDictionary(StringPiece path, DictionaryValue** out_value);
   bool GetList(const std::string& path, const ListValue** out_value) const;
   bool GetList(const std::string& path, ListValue** out_value);
 
   // Like Get(), but without special treatment of '.'.  This allows e.g. URLs to
   // be used as paths.
   bool GetWithoutPathExpansion(const std::string& key,
                                const Value** out_value) const;
   bool GetWithoutPathExpansion(const std::string& key, Value** out_value);
   bool GetBooleanWithoutPathExpansion(const std::string& key,
                                       bool* out_value) const;
@@ skipping 246 matching lines @@
 }
 
 BASE_EXPORT inline std::ostream& operator<<(std::ostream& out,
                                             const ListValue& value) {
   return out << static_cast<const Value&>(value);
 }
 
 }  // namespace base
 
 #endif  // BASE_VALUES_H_