From d9f6f7dfd315fa3f4789c24426d57614641ba0da Mon Sep 17 00:00:00 2001
From: KuoE0 <kuoe0.tw@gmail.com>
Date: Wed, 15 Mar 2017 12:08:32 +0800
Subject: [PATCH] Bug 1342863 - (Part 4) DocGroup labeling for runnables
 dispatched by NS_DispatchTo(Main|Current)Thread in nsDocumentViewer.
 r=dholbert

MozReview-Commit-ID: 9f32OTpim7V

--HG--
extra : rebase_source : 58312504c810d3efafa87e36a70fb176f4dedc69
---
 layout/base/nsDocumentViewer.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/layout/base/nsDocumentViewer.cpp b/layout/base/nsDocumentViewer.cpp
index 5b363899116d..2abdeaa14a35 100644
--- a/layout/base/nsDocumentViewer.cpp
+++ b/layout/base/nsDocumentViewer.cpp
@@ -2135,7 +2135,11 @@ nsDocumentViewer::Show(void)
 
   // Notify observers that a new page has been shown. This will get run
   // from the event loop after we actually draw the page.
-  NS_DispatchToMainThread(new nsDocumentShownDispatcher(mDocument));
+  RefPtr<nsDocumentShownDispatcher> event =
+    new nsDocumentShownDispatcher(mDocument);
+  mDocument->Dispatch("nsDocumentShownDispatcher",
+                      TaskCategory::Other,
+                      event.forget());
 
   return NS_OK;
 }
@@ -4627,4 +4631,3 @@ nsDocumentShownDispatcher::Run()
   }
   return NS_OK;
 }
-