Remove RenderFrameHostImplState and convert it to boolean.

content/browser/web_contents/web_contents_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/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 3879 matching lines @@
 void WebContentsImpl::RunBeforeUnloadConfirm(
     RenderFrameHost* render_frame_host,
     bool is_reload,
     IPC::Message* reply_msg) {
   RenderFrameHostImpl* rfhi =
       static_cast<RenderFrameHostImpl*>(render_frame_host);
   if (delegate_)
     delegate_->WillRunBeforeUnloadConfirm();
 
   bool suppress_this_message =
-      rfhi->rfh_state() != RenderFrameHostImpl::STATE_DEFAULT ||
+      !rfhi->is_active() ||
       ShowingInterstitialPage() || !delegate_ ||
       delegate_->ShouldSuppressDialogs(this) ||
       !delegate_->GetJavaScriptDialogManager(this);
   if (suppress_this_message) {
     rfhi->JavaScriptDialogClosed(reply_msg, true, base::string16(), true);
     return;
   }
 
   is_showing_before_unload_dialog_ = true;
   dialog_manager_ = delegate_->GetJavaScriptDialogManager(this);
@@ skipping 927 matching lines @@
   else
     WasHidden();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content