Use a direct include of the message_loop header in content/, part 3.

content/browser/web_contents/interstitial_page_impl.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 "content/browser/web_contents/interstitial_page_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
@@ skipping 784 matching lines @@
 
   web_contents->GetDelegateView()->TakeFocus(reverse);
 }
 
 void InterstitialPageImpl::InterstitialPageRVHDelegateView::OnFindReply(
     int request_id, int number_of_matches, const gfx::Rect& selection_rect,
     int active_match_ordinal, bool final_update) {
 }
 
 }  // namespace content