Replace __MSG_some_name__ template within extension css/html files with local...

chrome/common/extensions/extension_message_bundle.h

 // Copyright (c) 2009 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 CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGE_BUNDLE_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGE_BUNDLE_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 53 matching lines @@
                                     const SubstitutionMap& dictionary);
 
   // Number of messages in the catalog.
   // Used for unittesting only.
   size_t size() const { return dictionary_.size(); }
 
   // Replaces all __MSG_message__ with values from the catalog.
   // Returns false if there is a message in text that's not defined in the
   // dictionary.
   bool ReplaceMessages(std::string* text, std::string* error) const;
+  // Static version that accepts dictionary.
+  static bool ReplaceMessagesWithExternalDictionary(
+      const SubstitutionMap& dictionary, std::string* text, std::string* error);
 
   // Replaces each occurance of variable placeholder with its value.
   // I.e. replaces __MSG_name__ with value from the catalog with the key "name".
   // Returns false if for a valid message/placeholder name there is no matching
   // replacement.
   // Public for easier unittesting.
   static bool ReplaceVariables(const SubstitutionMap& variables,
                                const std::string& var_begin,
                                const std::string& var_end,
                                std::string* message,
@@ skipping 54 matching lines @@
   // For a given message, replaces all placeholders with their actual value.
   // Returns false if replacement failed (see ReplaceVariables).
   bool ReplacePlaceholders(const SubstitutionMap& placeholders,
                            std::string* message,
                            std::string* error) const;
 
   // Holds all messages for application locale.
   SubstitutionMap dictionary_;
 };
 
+///////////////////////////////////////////////////////////////////////////////
+//
+// Renderer helper typedefs and functions.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+// A map of message name to message.
+typedef std::map<std::string, std::string> L10nMessagesMap;
+
+// A map of extension ID to l10n message map.
+typedef std::map<std::string, L10nMessagesMap > ExtensionToL10nMessagesMap;
+
+// Unique class for Singleton.
+struct ExtensionToMessagesMap {
+  // Maps extension ID to message map.
+  ExtensionToL10nMessagesMap messages_map;
+};
+
+// Returns the extension_id to messages map.
+ExtensionToL10nMessagesMap* GetExtensionToL10nMessagesMap();
+
+// Returns message map that matches given extension_id, or NULL.
+L10nMessagesMap* GetL10nMessagesMap(const std::string extension_id);
+
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_MESSAGE_BUNDLE_H_