Replace OVERRIDE with its C++11 counterparts in src/rlz

rlz/lib/rlz_lib_test.cc

 // Copyright (c) 2012 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.
 //
 // A test application for the RLZ library.
 //
 // These tests should not be executed on the build server:
 // - They assert for the failed cases.
 // - They modify machine state (registry).
 //
@@ skipping 820 matching lines @@
   }
 
   EXPECT_TRUE(rlz_lib::GetProductEventsAsCgi(rlz_lib::TOOLBAR_NOTIFIER,
                                              value, 50));
   EXPECT_STREQ("events=I7S", value);
 }
 
 #if defined(OS_POSIX)
 class ReadonlyRlzDirectoryTest : public RlzLibTestNoMachineState {
  protected:
-  virtual void SetUp() OVERRIDE;
+  virtual void SetUp() override;
 };
 
 void ReadonlyRlzDirectoryTest::SetUp() {
   RlzLibTestNoMachineState::SetUp();
   // Make the rlz directory non-writeable.
   int chmod_result = chmod(temp_dir_.path().value().c_str(), 0500);
   ASSERT_EQ(0, chmod_result);
 }
 
 TEST_F(ReadonlyRlzDirectoryTest, WriteFails) {
@@ skipping 78 matching lines @@
   int mkdir_result = mkdir(rlz_lib::testing::RlzStoreFilenameStr().c_str(),
                            0500);
   ASSERT_EQ(0, mkdir_result);
 
   rlz_lib::SupplementaryBranding branding("TEST");
   EXPECT_FALSE(rlz_lib::RecordProductEvent(rlz_lib::TOOLBAR_NOTIFIER,
       rlz_lib::IE_DEFAULT_SEARCH, rlz_lib::INSTALL));
 }
 
 #endif