Implemented the rest of loading/parsing logic for extension i18n:...

chrome/common/extensions/extension.h

Index: chrome/common/extensions/extension.h
===================================================================
--- chrome/common/extensions/extension.h	(revision 24127)
+++ chrome/common/extensions/extension.h	(working copy)
@@ -14,8 +14,9 @@
 #include "base/scoped_ptr.h"
 #include "base/values.h"
 #include "base/version.h"
+#include "chrome/browser/extensions/extension_message_handler.h"
+#include "chrome/browser/extensions/user_script_master.h"
 #include "chrome/common/extensions/user_script.h"
-#include "chrome/browser/extensions/user_script_master.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/page_action.h"
 #include "googleurl/src/gurl.h"
@@ -191,8 +192,14 @@
   // String representation of the version number.
   const std::string VersionString() const;
   const std::string& name() const { return name_; }
+  // Sets name to a new value in case it got updated during l10n process.
+  void set_name(const std::string& name) { name_ = name; }
   const std::string& public_key() const { return public_key_; }
   const std::string& description() const { return description_; }
+  // Sets description to a new value in case it got updated during l10n process.
+  void set_description(const std::string& description) {
+    description_ = description;
+  }
   const UserScriptList& content_scripts() const { return content_scripts_; }
   const PageActionMap& page_actions() const { return page_actions_; }
   const std::vector<PrivacyBlacklistInfo>& privacy_blacklists() const {
@@ -256,6 +263,20 @@
     default_locale_ = default_locale;
   }
 
+  // Getter/setter for application_locale.
+  const std::string& application_locale() const { return application_locale_; }
+  void set_application_locale(const std::string& application_locale) {
+    application_locale_ = application_locale;

[Aaron Boodman, 2009/08/31 21:42:55]

Why do we need to store a duplicate copy of the application locale here? It
seems like we can get this from wherever it is stored when needed.

+  }
+
+  // Getter/setter for l10n message handler.
+  const ExtensionMessageHandler* message_handler() const {
+    return message_handler_.get();
+  }
+  void set_message_handler(ExtensionMessageHandler* message_handler) {
+    message_handler_.reset(message_handler);
+  }
+
   // Runtime data:
   // Put dynamic data about the state of a running extension below.
 
@@ -376,6 +397,12 @@
   // Default locale, used for fallback.
   std::string default_locale_;
 
+  // Application locale (from l10n_util::GetApplicationLocale()).
+  std::string application_locale_;
+
+  // Handles the l10n messages replacement and parsing.
+  scoped_ptr<ExtensionMessageHandler> message_handler_;
+
   // Runtime data:
 
   // True if the background page is ready.