Cleanup: IWYU for BrowserThread.

chrome/browser/extensions/key_identifier_conversion_views.cc

 // Copyright (c) 2011 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/key_identifier_conversion_views.h"
 
 #include <string.h>
 
+#include <utility>
+
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
+#include "base/logging.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/views/events/event.h"
 
 using content::BrowserThread;
 
 namespace {
 
 static const int kNumIdentifierTypes = 3;
 
@@ skipping 308 matching lines @@
   for (int i = 0; i < kNumIdentifierTypes; ++i) {
     const IdentifierMap& map = *identifierMaps[i];
 
     IdentifierMap::const_iterator iter = map.find(key_identifier);
     if (iter != map.end())
       return *iter->second;
   }
 
   return *kUnknownKeyEvent;
 }