[Element / Autofill] Add boundsInViewportFloat() to fix <input> popup misalignment.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 193 matching lines @@
     void setScrollLeft(double);
     void setScrollTop(double);
     int scrollWidth();
     int scrollHeight();
 
     void scrollBy(double x, double y);
     virtual void scrollBy(const ScrollToOptions&);
     void scrollTo(double x, double y);
     virtual void scrollTo(const ScrollToOptions&);
 
-    IntRect boundsInViewport();
+    IntRect boundsInViewportInt();
+    FloatRect boundsInViewportFloat();
 
     ClientRectList* getClientRects();
     ClientRect* getBoundingClientRect();
 
     bool hasNonEmptyLayoutSize() const;
 
     const AtomicString& computedRole();
     String computedName();
 
     // Returns the absolute bounding box translated into screen coordinates:
@@ skipping 462 matching lines @@
 
     ElementRareData* elementRareData() const;
     ElementRareData& ensureElementRareData();
 
     AttrNodeList& ensureAttrNodeList();
     void removeAttrNodeList();
     void detachAllAttrNodesFromElement();
     void detachAttrNodeFromElementWithValue(Attr*, const AtomicString& value);
     void detachAttrNodeAtIndex(Attr*, size_t index);
 
+    bool getBoundingQuads(Vector<FloatQuad>&);
+
     v8::Local<v8::Object> wrapCustomElement(v8::Isolate*, v8::Local<v8::Object> creationContext);
 
     RefPtrWillBeMember<ElementData> m_elementData;
 };
 
 DEFINE_NODE_TYPE_CASTS(Element, isElementNode());
 template <typename T> bool isElementOfType(const Node&);
 template <> inline bool isElementOfType<const Element>(const Node& node) { return node.isElementNode(); }
 template <typename T> inline bool isElementOfType(const Element& element) { return isElementOfType<T>(static_cast<const Node&>(element)); }
 template <> inline bool isElementOfType<const Element>(const Element&) { return true; }
@@ skipping 225 matching lines @@
     static PassRefPtrWillBeRawPtr<T> create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     PassRefPtrWillBeRawPtr<T> T::create(const QualifiedName& tagName, Document& document) \
     { \
         return adoptRefWillBeNoop(new T(tagName, document)); \
     }
 
 } // namespace
 
 #endif // Element_h