Use a direct include of the shared_memory header in base/, chrome/, components/.

chrome/renderer/extensions/user_script_slave.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/renderer/extensions/user_script_slave.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "base/memory/shared_memory.h"
 #include "base/metrics/histogram.h"
 #include "base/perftimer.h"
 #include "base/pickle.h"
-#include "base/shared_memory.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/common/extensions/csp_handler.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/common/extensions/permissions/permissions_data.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/chrome_render_process_observer.h"
 #include "chrome/renderer/extensions/dom_activity_logger.h"
 #include "chrome/renderer/extensions/extension_groups.h"
@@ skipping 352 matching lines @@
   } else if (location == UserScript::DOCUMENT_IDLE) {
     UMA_HISTOGRAM_COUNTS_100("Extensions.InjectIdle_ScriptCount", num_scripts);
     if (num_scripts)
       UMA_HISTOGRAM_TIMES("Extensions.InjectIdle_Time", timer.Elapsed());
   } else {
     NOTREACHED();
   }
 }
 
 }  // namespace extensions