Bug 382756: ASSERTION: When exactly is this supposed to be non-zero?. r+sr=roc.

view/src/nsViewManager.cpp

@@ -483,9 +483,8 @@ void nsViewManager::Refresh(nsView *aView, nsIRenderingContext *aContext,
   ctx->Translate(gfxPoint(gfxFloat(vtowoffset.x) / p2a,
                           gfxFloat(vtowoffset.y) / p2a));
 
-  NS_ASSERTION(!viewRect.x && !viewRect.y, "When exactly is this supposed to be non-zero?");
-  ctx->Translate(gfxPoint(gfxFloat(viewRect.x) / p2a,
-                          gfxFloat(viewRect.y) / p2a));
+  ctx->Translate(gfxPoint(-gfxFloat(viewRect.x) / p2a,
+                          -gfxFloat(viewRect.y) / p2a));
 
   nsRegion opaqueRegion;
   AddCoveringWidgetsToOpaqueRegion(opaqueRegion, mContext, aView);