Third-party iframe logging: Separate AboveAndLeft from Above

third_party/WebKit/Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 229 matching lines @@
 // cross-origin documents log Created. Only those that would load log a reason.
 // We can then see the % of cross-origin documents that never have to load.
 // See https://crbug.com/635105.
 // Logged to UMA, don't re-arrange entries without creating a new histogram.
 enum WouldLoadReason {
   Created,
   // If outer and inner frames aren't in the same process we can't determine
   // if the inner frame is visible, so just load it.
   // TODO(dgrogan): Revisit after https://crbug.com/650433 is fixed.
   WouldLoadOutOfProcess,
-  // The next four indicate frames that are probably used for cross-origin
+  // The next five indicate frames that are probably used for cross-origin
   // communication.
   WouldLoadDisplayNone,
   WouldLoadZeroByZero,
+  WouldLoadAboveAndLeft,
   WouldLoadAbove,
   WouldLoadLeft,
   // We have to load documents in visible frames.
   WouldLoadVisible,
 
   WouldLoadReasonEnd
 };
 
 using DocumentClassFlags = unsigned char;
 
@@ skipping 1460 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif  // Document_h