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

chrome/common/extensions/extension_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 "base/file_path.h"
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 205 matching lines @@
   EXPECT_EQ(errors::kInvalidPrivacyBlacklists, error);
 
   // Test invalid privacy blacklists list item.
   input_value.reset(static_cast<DictionaryValue*>(valid_value->DeepCopy()));
   ListValue* privacy_blacklists = NULL;
   input_value->GetList(keys::kPrivacyBlacklists, &privacy_blacklists);
   ASSERT_FALSE(NULL == privacy_blacklists);
   privacy_blacklists->Set(0, Value::CreateIntegerValue(42));
   EXPECT_FALSE(extension.InitFromValue(*input_value, true, &error));
   EXPECT_TRUE(MatchPattern(error, errors::kInvalidPrivacyBlacklistsPath));
-
-  // Test invalid default locale.
-  input_value.reset(static_cast<DictionaryValue*>(valid_value->DeepCopy()));
-  input_value->SetInteger(keys::kDefaultLocale, 42);
-  EXPECT_FALSE(extension.InitFromValue(*input_value, true, &error));
-  EXPECT_EQ(errors::kInvalidDefaultLocale, error);
 }
 
 TEST(ExtensionTest, InitFromValueValid) {
 #if defined(OS_WIN)
   FilePath path(FILE_PATH_LITERAL("C:\\foo"));
 #elif defined(OS_POSIX)
   FilePath path(FILE_PATH_LITERAL("/foo"));
 #endif
   Extension::ResetGeneratedIdCounter();
 
@@ skipping 368 matching lines @@
     scoped_ptr<Extension> new_extension(
         LoadManifest("allow_silent_upgrade",
                      std::string(kTests[i].base_name) + "_new.json"));
 
     EXPECT_EQ(kTests[i].expect_success,
               Extension::IsPrivilegeIncrease(old_extension.get(),
                                              new_extension.get()))
         << kTests[i].base_name;
   }
 }