Reflow comments in core/dom/.

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/dom/ElementVisibilityObserver.h"
 
 #include "core/dom/Element.h"
 #include "core/dom/IntersectionObserverEntry.h"
 #include "core/frame/LocalFrame.h"
 #include "wtf/Functional.h"
@@ skipping 30 matching lines @@
       &m_element->document(),
       WTF::bind(&ElementVisibilityObserver::onVisibilityChanged,
                 wrapWeakPersistent(this)));
   DCHECK(m_intersectionObserver);
   m_intersectionObserver->observe(m_element.release());
 }
 
 void ElementVisibilityObserver::stop() {
   // TODO(zqzhang): IntersectionObserver does not work for RemoteFrame,
   // so |m_intersectionObserver| may be null at this point after start().
-  // Replace this early return with DCHECK when this has been fixed. See https://crbug.com/615156
+  // Replace this early return with DCHECK when this has been fixed. See
+  // https://crbug.com/615156
   if (!m_intersectionObserver)
     return;
 
   m_intersectionObserver->disconnect();
   m_intersectionObserver = nullptr;
 }
 
 DEFINE_TRACE(ElementVisibilityObserver) {
   visitor->trace(m_element);
   visitor->trace(m_intersectionObserver);
 }
 
 void ElementVisibilityObserver::onVisibilityChanged(
     const HeapVector<Member<IntersectionObserverEntry>>& entries) {
   bool isVisible = entries.last()->intersectionRatio() > 0.f;
   (*m_callback.get())(isVisible);
 }
 
 }  // namespace blink