Third-party iframe logging: Separate AboveAndLeft from Above

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 4329 matching lines @@
     m_viewportIntersection = frameRect();
     return;
   }
   ASSERT(!parent->m_needsUpdateViewportIntersection);
 
   bool parentLoaded = parent->frame().document()->wouldLoadReason() > Created;
   // If the parent wasn't loaded, the children won't be either.
   if (parentLoaded) {
     if (frameRect().isEmpty())
       frame().document()->maybeRecordLoadReason(WouldLoadZeroByZero);
+    else if (frameRect().maxY() < 0 && frameRect().maxX() < 0)
+      frame().document()->maybeRecordLoadReason(WouldLoadAboveAndLeft);
     else if (frameRect().maxY() < 0)
       frame().document()->maybeRecordLoadReason(WouldLoadAbove);
     else if (frameRect().maxX() < 0)
       frame().document()->maybeRecordLoadReason(WouldLoadLeft);
   }
 
   // If our parent is hidden, then we are too.
   if (parent->m_viewportIntersection.isEmpty()) {
     m_viewportIntersection = parent->m_viewportIntersection;
     return;
@@ skipping 170 matching lines @@
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.width();
 }
 
 int FrameView::initialViewportHeight() const {
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.height();
 }
 
 }  // namespace blink