Send replies to sync IPCs from swapped out renderers.

content/browser/tab_contents/tab_contents.cc

Index: content/browser/tab_contents/tab_contents.cc
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index 013f8d56eca31777e282c120ae83f4b9465560df..2990710fcac09090d9fe2499d4c861242fc055f0 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -2067,6 +2067,8 @@ void TabContents::RunBeforeUnloadConfirm(const RenderViewHost* rvh,
       !delegate_ ||
       delegate_->ShouldSuppressDialogs();
   if (suppress_this_message) {
+    // TODO(creis): We need to send this reply to the RVH that sent the request,
+    // even if it's not the current RVH.  http;//crbug.com/109792.
     GetRenderViewHost()->JavaScriptDialogClosed(reply_msg, true, string16());

[Matt Perry, 2012/01/27 19:38:13]

Isn't |rvh| the RVH that sent the request?

[Charlie Reis, 2012/01/27 20:11:30]

Done.

     return;
   }
@@ -2264,6 +2266,8 @@ void TabContents::OnDialogClosed(IPC::Message* reply_msg,
     tab_close_start_time_ = base::TimeTicks();
   }
   is_showing_before_unload_dialog_ = false;
+  // TODO(creis): We need to send this reply to the RVH that sent the request,
+  // even if it's not the current RVH.  http;//crbug.com/109792.
   GetRenderViewHost()->JavaScriptDialogClosed(reply_msg, success, user_input);
 }