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

chrome/browser/extensions/activity_log/activity_database.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 "chrome/browser/extensions/activity_log/activity_database.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 184 matching lines @@
   timer_.Stop();
   timer_.Start(FROM_HERE,
                base::TimeDelta::FromMilliseconds(ms),
                this,
                &ActivityDatabase::RecordBatchedActionsWhileTesting);
 }
 
 // static
 bool ActivityDatabase::InitializeTable(sql::Connection* db,
                                        const char* table_name,
-                                       const char* content_fields[],
-                                       const char* field_types[],
+                                       const char* const content_fields[],
+                                       const char* const field_types[],
                                        const int num_content_fields) {
   if (!db->DoesTableExist(table_name)) {
     std::string table_creator =
         base::StringPrintf("CREATE TABLE %s (", table_name);
     for (int i = 0; i < num_content_fields; i++) {
       table_creator += base::StringPrintf("%s%s %s",
                                           i == 0 ? "" : ", ",
                                           content_fields[i],
                                           field_types[i]);
     }
@@ skipping 12 matching lines @@
              field_types[i]);
         if (!db->Execute(table_updater.c_str()))
           return false;
       }
     }
   }
   return true;
 }
 
 }  // namespace extensions