Have the unload event execute in background on cross-site navigations

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 <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 2699 matching lines @@
 
 void WebContentsImpl::RemoveBrowserPluginEmbedder() {
   if (browser_plugin_embedder_)
     browser_plugin_embedder_.reset();
 }
 
 void WebContentsImpl::RenderViewCreated(RenderViewHost* render_view_host) {
   // Don't send notifications if we are just creating a swapped-out RVH for
   // the opener chain.  These won't be used for view-source or WebUI, so it's
   // ok to return early.
-  if (static_cast<RenderViewHostImpl*>(render_view_host)->is_swapped_out())
+  if (static_cast<RenderViewHostImpl*>(render_view_host)->rvh_state() ==
+      RenderViewHostImpl::STATE_SWAPPED_OUT)
     return;
 
   if (delegate_)
     view_->SetOverscrollControllerEnabled(delegate_->CanOverscrollContent());
 
   NotificationService::current()->Notify(
       NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED,
       Source<WebContents>(this),
       Details<RenderViewHost>(render_view_host));
 
@@ skipping 400 matching lines @@
 
 void WebContentsImpl::RequestOpenURL(RenderViewHost* rvh,
                                      const GURL& url,
                                      const Referrer& referrer,
                                      WindowOpenDisposition disposition,
                                      int64 source_frame_id,
                                      bool should_replace_current_entry,
                                      bool user_gesture) {
   // If this came from a swapped out RenderViewHost, we only allow the request
   // if we are still in the same BrowsingInstance.
-  if (static_cast<RenderViewHostImpl*>(rvh)->is_swapped_out() &&
+  if (static_cast<RenderViewHostImpl*>(rvh)->rvh_state() ==
+          RenderViewHostImpl::STATE_SWAPPED_OUT &&
       !rvh->GetSiteInstance()->IsRelatedSiteInstance(GetSiteInstance())) {
     return;
   }
 
   // Delegate to RequestTransferURL because this is just the generic
   // case where |old_request_id| is empty.
   // TODO(creis): Pass the redirect_chain into this method to support client
   // redirects.  http://crbug.com/311721.
   std::vector<GURL> redirect_chain;
   RequestTransferURL(url, redirect_chain, referrer, PAGE_TRANSITION_LINK,
@@ skipping 149 matching lines @@
     const base::string16& message,
     const base::string16& default_prompt,
     const GURL& frame_url,
     JavaScriptMessageType javascript_message_type,
     IPC::Message* reply_msg,
     bool* did_suppress_message) {
   // Suppress JavaScript dialogs when requested. Also suppress messages when
   // showing an interstitial as it's shown over the previous page and we don't
   // want the hidden page's dialogs to interfere with the interstitial.
   bool suppress_this_message =
-      static_cast<RenderViewHostImpl*>(rvh)->is_swapped_out() ||
+      static_cast<RenderViewHostImpl*>(rvh)->rvh_state() ==
+      RenderViewHostImpl::STATE_SWAPPED_OUT ||
       ShowingInterstitialPage() ||
       !delegate_ ||
       delegate_->ShouldSuppressDialogs() ||
       !delegate_->GetJavaScriptDialogManager();
 
   if (!suppress_this_message) {
     std::string accept_lang = GetContentClient()->browser()->
       GetAcceptLangs(GetBrowserContext());
     dialog_manager_ = delegate_->GetJavaScriptDialogManager();
     dialog_manager_->RunJavaScriptDialog(
@@ skipping 24 matching lines @@
 
 void WebContentsImpl::RunBeforeUnloadConfirm(RenderViewHost* rvh,
                                              const base::string16& message,
                                              bool is_reload,
                                              IPC::Message* reply_msg) {
   RenderViewHostImpl* rvhi = static_cast<RenderViewHostImpl*>(rvh);
   if (delegate_)
     delegate_->WillRunBeforeUnloadConfirm();
 
   bool suppress_this_message =
-      rvhi->is_swapped_out() ||
+      rvhi->rvh_state() != RenderViewHostImpl::STATE_LIVE ||
       !delegate_ ||
       delegate_->ShouldSuppressDialogs() ||
       !delegate_->GetJavaScriptDialogManager();
   if (suppress_this_message) {
     // The reply must be sent to the RVH that sent the request.
     rvhi->JavaScriptDialogClosed(reply_msg, true, base::string16());
     return;
   }
 
   is_showing_before_unload_dialog_ = true;
@@ skipping 363 matching lines @@
 }
 
 void WebContentsImpl::OnFrameRemoved(
     RenderViewHostImpl* render_view_host,
     int64 frame_id) {
    FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                      FrameDetached(render_view_host, frame_id));
 }
 
 }  // namespace content