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

chrome/common/extensions/extension_message_bundle_unittest.cc

 // 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.
 
 #include "chrome/common/extensions/extension_message_bundle.h"
 
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
@@ skipping 372 matching lines @@
     std::string error;
     EXPECT_EQ(test_cases[i].pass,
       ExtensionMessageBundle::ReplaceVariables(messages,
                                                test_cases[i].begin_delimiter,
                                                test_cases[i].end_delimiter,
                                                &text,
                                                &error));
     EXPECT_EQ(test_cases[i].result, text);
   }
 }
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Renderer helper functions test.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+TEST(GetExtensionToL10nMessagesMapTest, ReturnsTheSameObject) {
+  ExtensionToL10nMessagesMap* map1 = GetExtensionToL10nMessagesMap();
+  ASSERT_TRUE(NULL != map1);
+
+  ExtensionToL10nMessagesMap* map2 = GetExtensionToL10nMessagesMap();
+  ASSERT_EQ(map1, map2);
+}
+
+TEST(GetExtensionToL10nMessagesMapTest, ReturnsNullForUnknownExtensionId) {
+  const std::string extension_id("some_unique_12334212314234_id");
+  L10nMessagesMap* map = GetL10nMessagesMap(extension_id);
+  EXPECT_TRUE(NULL == map);
+}
+
+TEST(GetExtensionToL10nMessagesMapTest, ReturnsMapForKnownExtensionId) {
+  const std::string extension_id("some_unique_121212121212121_id");
+  // Store a map for given id.
+  L10nMessagesMap messages;
+  messages.insert(std::make_pair("message_name", "message_value"));
+  (*GetExtensionToL10nMessagesMap())[extension_id] = messages;
+
+  L10nMessagesMap* map = GetL10nMessagesMap(extension_id);
+  ASSERT_TRUE(NULL != map);
+  EXPECT_EQ(1U, map->size());
+  EXPECT_EQ("message_value", (*map)["message_name"]);
+}