Bug 375508: Outline drawing broken when outline doesn't overflow. r+sr=roc.

layout/base/nsCSSRendering.cpp

@@ -51,7 +51,6 @@
 #include "nsIPresShell.h"
 #include "nsFrameManager.h"
 #include "nsStyleContext.h"
-#include "nsIScrollableView.h"
 #include "nsGkAtoms.h"
 #include "nsIDrawingSurface.h"
 #include "nsTransform2D.h"
@@ -2047,15 +2046,11 @@ nscoord width, offset;
     }
   }
 
-  nsRect* overflowArea = aForFrame->GetOverflowAreaProperty(PR_FALSE);
-  if (!overflowArea) {
-    NS_WARNING("Hmm, outline painting should always find an overflow area here");
-    return;
-  }
+  nsRect overflowArea = aForFrame->GetOverflowRect();
 
   // get the offset for our outline
   aOutlineStyle.GetOutlineOffset(offset);
-  nsRect outside(*overflowArea + aBorderArea.TopLeft());
+  nsRect outside(overflowArea + aBorderArea.TopLeft());
   nsRect inside(outside);
   if (width + offset >= 0) {
     // the overflow area is exactly the outside edge of the outline

layout/reftests/bugs/375508-1-ref.html

@@ -0,0 +1,4 @@
+<style>
+html, body {margin:0; padding:5px}
+</style>
+<div style="outline: 10px solid black; outline-offset: 0; width: 5px; height:5px"></div>

layout/reftests/bugs/375508-1.html

@@ -0,0 +1,4 @@
+<style>
+html, body {margin:0; padding:0}
+</style>
+<div style="outline: 10px solid black; outline-offset: -10px; width: 25px; height:25px"></div>

layout/reftests/bugs/reftest.list

@@ -201,3 +201,4 @@ fails == 368504-1.html 368504-1-ref.html # bug 368504
 == 372553-1.html 372553-1-ref.html
 == 373381-1.html 373381-1-ref.html
 == 372037-1.html 372037-1-ref.html
+== 375508-1.html 375508-1-ref.html