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

chrome/browser/extensions/extension_file_util_unittest.cc

Index: chrome/browser/extensions/extension_file_util_unittest.cc
===================================================================
--- chrome/browser/extensions/extension_file_util_unittest.cc	(revision 24127)
+++ chrome/browser/extensions/extension_file_util_unittest.cc	(working copy)
@@ -117,7 +117,8 @@
   DictionaryValue manifest;
 
   manifest.SetString(keys::kVersion, "1.0.0.0");
-  manifest.SetString(keys::kName, "my extension");
+  manifest.SetString(keys::kName, "__MSG_name__");
+  manifest.SetString(keys::kDescription, "__MSG_description__");
   if (!locale.empty()) {
     manifest.SetString(keys::kDefaultLocale, locale);
   }
@@ -138,7 +139,8 @@
   FilePath locale_1 = src_path.AppendASCII("sr");
   ASSERT_TRUE(file_util::CreateDirectory(locale_1));
 
-  std::string data = "foobar";
+  std::string data = "{ \"name\": { \"message\": \"foobar\" },"
+                     "\"description\": { \"message\": \"nice going\" } }";
   ASSERT_TRUE(
       file_util::WriteFile(locale_1.AppendASCII(Extension::kMessagesFilename),
                            data.c_str(), data.length()));
@@ -154,9 +156,10 @@
   scoped_ptr<Extension> extension(
       extension_file_util::LoadExtension(temp.path(), false, &error));
   ASSERT_FALSE(extension == NULL);
-  EXPECT_EQ(static_cast<unsigned int>(2),
-            extension->supported_locales().size());
+  EXPECT_EQ(2U, extension->supported_locales().size());
   EXPECT_EQ("en-US", extension->default_locale());
+  EXPECT_EQ("foobar", extension->name());
+  EXPECT_EQ("nice going", extension->description());
 }
 
 TEST(ExtensionFileUtil, LoadExtensionWithoutLocalesFolder) {
@@ -180,7 +183,7 @@
   FilePath src_path = temp.path().AppendASCII("some_dir");
   ASSERT_TRUE(file_util::CreateDirectory(src_path));
 
-  std::string data = "foobar";
+  std::string data = "{ \"name\": { \"message\": \"foobar\" } }";
   ASSERT_TRUE(file_util::WriteFile(src_path.AppendASCII("some_file.txt"),
                                    data.c_str(), data.length()));
   std::string error;