Update dangling markup mitigations.

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

 /*
  * 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, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 5191 matching lines @@
       GetLayoutViewItem().MutableStyleRef().SetRtlOrdering(
           visually_ordered_ ? EOrder::kVisual : EOrder::kLogical);
     }
     SetNeedsStyleRecalc(kSubtreeStyleChange,
                         StyleChangeReasonForTracing::Create(
                             StyleChangeReason::kVisuallyOrdered));
   }
 }
 
 KURL Document::CompleteURL(const String& url) const {
-  KURL completed = CompleteURLWithOverride(url, base_url_);
-
-  if (completed.WhitespaceRemoved()) {
-    if (completed.ProtocolIsInHTTPFamily()) {
-      UseCounter::Count(*this,
-                        UseCounter::kDocumentCompleteURLHTTPContainingNewline);
-      bool less_than = url.Contains('<');
-      if (less_than) {
-        UseCounter::Count(
-            *this,
-            UseCounter::kDocumentCompleteURLHTTPContainingNewlineAndLessThan);
-      }
-    } else {
-      UseCounter::Count(
-          *this, UseCounter::kDocumentCompleteURLNonHTTPContainingNewline);
-    }
-  }
-  return completed;
+  return CompleteURLWithOverride(url, base_url_);
 }
 
 KURL Document::CompleteURLWithOverride(const String& url,
                                        const KURL& base_url_override) const {
   DCHECK(base_url_override.IsEmpty() || base_url_override.IsValid());
 
   // Always return a null URL when passed a null string.
   // FIXME: Should we change the KURL constructor to have this behavior?
   // See also [CSS]StyleSheet::completeURL(const String&)
   if (url.IsNull())
@@ skipping 1581 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (blink::Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->Url().GetString().Utf8().data());
 }
 #endif