Bug 805696 - Always invalidate nsImageFrames when we change to a new image request. r=joe

layout/generic/nsImageFrame.cpp

@@ -679,10 +679,9 @@ nsImageFrame::NotifyNewCurrentRequest(imgIRequest *aRequest,
         presShell->FrameNeedsReflow(this, nsIPresShell::eStyleChange,
                                     NS_FRAME_IS_DIRTY);
       }
-    } else {
-      // Update border+content to account for image change
-      InvalidateFrame();
     }
+    // Update border+content to account for image change
+    InvalidateFrame();
   }
 }