--- a/toolkit/components/browser/nsWebBrowser.cpp
+++ b/toolkit/components/browser/nsWebBrowser.cpp
@@ -1422,26 +1422,26 @@ nsWebBrowser::GetPositionAndSize(int32_t
     }
     if (aCY) {
       *aCY = mInitInfo->cy;
     }
   } else if (mInternalWidget) {
     LayoutDeviceIntRect bounds = mInternalWidget->GetBounds();
 
     if (aX) {
-      *aX = bounds.x;
+      *aX = bounds.X();
     }
     if (aY) {
-      *aY = bounds.y;
+      *aY = bounds.Y();
     }
     if (aCX) {
-      *aCX = bounds.width;
+      *aCX = bounds.Width();
     }
     if (aCY) {
-      *aCY = bounds.height;
+      *aCY = bounds.Height();
     }
     return NS_OK;
   } else {
     // Can directly return this as it is the
     // same interface, thus same returns.
     return mDocShellAsWin->GetPositionAndSize(aX, aY, aCX, aCY);
   }
   return NS_OK;
@@ -1744,18 +1744,18 @@ DrawPaintedLayer(PaintedLayer* aLayer,
                  DrawRegionClip aClip,
                  const nsIntRegion& aRegionToInvalidate,
                  void* aCallbackData)
 {
   DrawTarget& aDrawTarget = *aContext->GetDrawTarget();
 
   ColorPattern color(ToDeviceColor(*static_cast<nscolor*>(aCallbackData)));
   nsIntRect dirtyRect = aRegionToDraw.GetBounds();
-  aDrawTarget.FillRect(
-    Rect(dirtyRect.x, dirtyRect.y, dirtyRect.width, dirtyRect.height), color);
+  aDrawTarget.FillRect( Rect(dirtyRect.X(), dirtyRect.Y(),
+                             dirtyRect.Width(), dirtyRect.Height()), color);
 }
 
 void
 nsWebBrowser::WindowActivated()
 {
 #if defined(DEBUG_smaug)
   nsCOMPtr<nsIDocument> document = mDocShell->GetDocument();
   nsAutoString documentURI;