Bug 1323404 - Fixed Stylo renders black text as grey issue r=bholley

MozReview-Commit-ID: JJktt4ZxIRS

--HG--
extra : rebase_source : 6427a4b274a75b5598c77f05a40c7acf23263bed

layout/style/StyleStructContext.h

@@ -80,8 +80,8 @@ public:
   typedef mozilla::LookAndFeel LookAndFeel;
   nscolor DefaultColor()
   {
-    SERVO_DEFAULT(LookAndFeel::GetColor(LookAndFeel::eColorID_WindowForeground,
-                                        NS_RGB(0x00, 0x00, 0x00)));
+    // Workaround Bug 1323404
+    SERVO_DEFAULT(NS_RGB(0x00, 0x00, 0x00));
     return mPresContext->DefaultColor();
   }