From 7e75f1622f36400f421c1673ae640b164ef79794 Mon Sep 17 00:00:00 2001
From: "Carsten \"Tomcat\" Book" <cbook@mozilla.com>
Date: Mon, 28 Dec 2015 12:07:16 +0100
Subject: [PATCH] Backed out changeset d569d015069d (bug 1176024) for crashes

---
 gfx/layers/client/TextureClient.cpp | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/gfx/layers/client/TextureClient.cpp b/gfx/layers/client/TextureClient.cpp
index 13778783481..3e2646111d6 100644
--- a/gfx/layers/client/TextureClient.cpp
+++ b/gfx/layers/client/TextureClient.cpp
@@ -363,15 +363,6 @@ TextureClient::Lock(OpenMode aMode)
   mIsLocked = mData->Lock(aMode, mReleaseFenceHandle.IsValid() ? &mReleaseFenceHandle : nullptr);
   mOpenMode = aMode;
 
-  if (mIsLocked && CanExposeDrawTarget() && (aMode & OpenMode::OPEN_WRITE) && NS_IsMainThread()) {
-    if (!BorrowDrawTarget()) {
-      // Failed to get a DrawTarget, means we won't be able to write into the
-      // texture, might as well fail now.
-      Unlock();
-      return false;
-    }
-  }
-
   return mIsLocked;
 }