Reland "Sync requestFullscreen() and exitFullscreen() algorithms with the spec"

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 114 matching lines @@
   // using inLayoutFlowThread() in the styleWillChange and styleDidChange will
   // fail.
   new_layout_object->SetIsInsideFlowThread(
       parent_layout_object->IsInsideFlowThread());
 
   LayoutObject* next_layout_object = this->NextLayoutObject();
   node_->SetLayoutObject(new_layout_object);
   new_layout_object->SetStyle(
       &style);  // setStyle() can depend on layoutObject() already being set.
 
-  if (Fullscreen::IsCurrentFullScreenElement(*node_)) {
+  if (Fullscreen::IsFullscreenElement(*node_)) {
     new_layout_object = LayoutFullScreen::WrapLayoutObject(
         new_layout_object, parent_layout_object, &node_->GetDocument());
     if (!new_layout_object)
       return;
   }
 
   // Note: Adding newLayoutObject instead of layoutObject(). layoutObject() may
   // be a child of newLayoutObject.
   parent_layout_object->AddChild(new_layout_object, next_layout_object);
 }
@@ skipping 21 matching lines @@
       layout_object_parent_->IsInsideFlowThread());
 
   LayoutObject* next_layout_object = this->NextLayoutObject();
   node_->SetLayoutObject(new_layout_object);
   // Parent takes care of the animations, no need to call setAnimatableStyle.
   new_layout_object->SetStyle(&style);
   layout_object_parent_->AddChild(new_layout_object, next_layout_object);
 }
 
 }  // namespace blink