Cleanup: Better constify some strings in base.

base/threading/thread_id_name_manager_unittest.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.
 
 #include "base/threading/thread_id_name_manager.h"
 
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 typedef PlatformTest ThreadIdNameManagerTest;
 
 namespace {
 
-static const char* kAThread = "a thread";
-static const char* kBThread = "b thread";
+const char kAThread[] = "a thread";
+const char kBThread[] = "b thread";
 
 TEST_F(ThreadIdNameManagerTest, AddThreads) {
   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
   base::Thread thread_a(kAThread);
   base::Thread thread_b(kBThread);
 
   thread_a.Start();
   thread_b.Start();
 
   EXPECT_STREQ(kAThread, manager->GetName(thread_a.thread_id()));
@@ skipping 56 matching lines @@
   base::PlatformThread::SetName("New name");
   EXPECT_NE(version, manager->GetName(a_id));
 
   base::PlatformThread::SetName("Test Name");
   EXPECT_EQ(version, manager->GetName(a_id));
 
   base::PlatformThread::SetName("");
 }
 
 }  // namespace