Added needed include to fix chromeos build.

chrome/browser/chromeos/usb_mount_observer.cc

 // Copyright (c) 2009 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/chromeos/usb_mount_observer.h"
 
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/dom_ui/filebrowse_ui.h"
 #include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 
 namespace chromeos {
 
 const char* kFilebrowseURLHash = "chrome://filebrowse#";
 const char* kFilebrowseScanning = "scanningdevice";
 const int kPopupLeft = 0;
 const int kPopupTop = 0;
@@ skipping 166 matching lines @@
     }
   }
   for (size_t x = 0; x < close_these.size(); x++) {
     if (close_these[x]->window()) {
       close_these[x]->window()->Close();
     }
   }
 }
 
 } // namespace chromeos