Reland r57575 - Remove the default argument from RegKey::Open.

chrome/browser/extensions/extension_rlz_apitest.cc

 // Copyright (c) 2010 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 <map>
 
 #include "base/registry.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
@@ skipping 53 matching lines @@
   ASSERT_TRUE(rlz_lib::SetAccessPointRlz(rlz_lib::GD_DESKBAND, "rlz_apitest"));
 
   // Now run all the tests.
   ASSERT_TRUE(RunExtensionTest("rlz")) << message_;
 
   ASSERT_EQ(1, MockRlzSendFinancialPingFunction::expected_count());
   ExtensionFunctionDispatcher::ResetFunctions();
 
   // Now make sure we recorded what was expected.  If the code in test.js
   // changes, need to make appropriate changes here.
-  key.Open(HKEY_CURRENT_USER, L"Software\\Google\\Common\\Rlz\\Events\\N");
+  key.Open(HKEY_CURRENT_USER, L"Software\\Google\\Common\\Rlz\\Events\\N",
+           KEY_READ);
   ASSERT_TRUE(key.Valid());
 
   DWORD value;
   ASSERT_TRUE(key.ReadValueDW(L"D3I", &value));
   ASSERT_EQ(1, value);
   ASSERT_TRUE(key.ReadValueDW(L"D3S", &value));
   ASSERT_EQ(1, value);
   ASSERT_TRUE(key.ReadValueDW(L"D3F", &value));
   ASSERT_EQ(1, value);
 
   ASSERT_TRUE(key.ReadValueDW(L"D4I", &value));
   ASSERT_EQ(1, value);
 
-  key.Open(HKEY_CURRENT_USER, L"Software\\Google\\Common\\Rlz\\Events\\D");
+  key.Open(HKEY_CURRENT_USER, L"Software\\Google\\Common\\Rlz\\Events\\D",
+           KEY_READ);
   ASSERT_FALSE(key.Valid());
 
   // Cleanup.
   rlz_lib::ClearProductState(rlz_lib::PINYIN_IME, access_points);
 }