Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/activity_log/activity_log_policy.cc

 // Copyright 2013 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/browser/extensions/activity_log/activity_log_policy.h"
 
 #include <stdint.h>
 
 #include "base/files/file_path.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/clock.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/common/extension.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
 
 namespace constants = activity_log_constants;
 
 namespace {
 // Obsolete database tables: these should be dropped from the database if
 // found.
-const char* kObsoleteTables[] = {"activitylog_apis", "activitylog_blocked",
-                                 "activitylog_urls"};
+const char* const kObsoleteTables[] = {"activitylog_apis",
+                                       "activitylog_blocked",
+                                       "activitylog_urls"};
 }  // namespace
 
 namespace extensions {
 
 ActivityLogPolicy::ActivityLogPolicy(Profile* profile) {}
 
 ActivityLogPolicy::~ActivityLogPolicy() {}
 
 void ActivityLogPolicy::SetClockForTesting(scoped_ptr<base::Clock> clock) {
   testing_clock_.reset(clock.release());
@@ skipping 130 matching lines @@
           base::StringPrintf("DROP TABLE %s", table_name);
       if (!db->Execute(drop_statement.c_str())) {
         return false;
       }
     }
   }
   return true;
 }
 
 }  // namespace extensions