Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/html/HTMLInputElement.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.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 324 matching lines @@
             break;
         case SelectionBehaviorOnFocus::Restore:
             restoreCachedSelection();
             break;
         case SelectionBehaviorOnFocus::None:
             return;
         }
         // TODO(tkent): scrollRectToVisible is a workaround of a bug of
         // FrameSelection::revealSelection().  It doesn't scroll correctly in a
         // case of RangeSelection. crbug.com/443061.
-        if (layoutObject())
+        if (hasLayoutObject())
             layoutObject()->scrollRectToVisible(boundingBox());
         if (document().frame())
             document().frame()->selection().revealSelection();
     } else {
         HTMLTextFormControlElement::updateFocusAppearance(selectionBehavior);
     }
 }
 
 void HTMLInputElement::beginEditing()
 {
@@ skipping 530 matching lines @@
 void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventBehavior)
 {
     m_dirtyCheckedness = true;
     if (checked() == nowChecked)
         return;
 
     m_isChecked = nowChecked;
 
     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
         scope->updateCheckedState(this);
-    if (layoutObject())
+    if (hasLayoutObject())
         LayoutTheme::theme().controlStateChanged(*layoutObject(), CheckedControlState);
 
     setNeedsValidityCheck();
 
     // Ideally we'd do this from the layout tree (matching
     // LayoutTextView), but it's not possible to do it at the moment
     // because of the way the code is structured.
-    if (layoutObject()) {
+    if (hasLayoutObject()) {
         if (AXObjectCache* cache = layoutObject()->document().existingAXObjectCache())
             cache->checkedStateChanged(this);
     }
 
     // Only send a change event for items in the document (avoid firing during
     // parsing) and don't send a change event for a radio button that's getting
     // unchecked to match other browsers. DOM is not a useful standard for this
     // because it says only to fire change events at "lose focus" time, which is
     // definitely wrong in practice for these types of elements.
     if (eventBehavior != DispatchNoEvent && inShadowIncludingDocument() && m_inputType->shouldSendChangeEventAfterCheckedChanged()) {
         setTextAsOfLastFormControlChangeEvent(String());
         if (eventBehavior == DispatchInputAndChangeEvent)
             dispatchFormControlInputEvent();
     }
 
     pseudoStateChanged(CSSSelector::PseudoChecked);
 }
 
 void HTMLInputElement::setIndeterminate(bool newValue)
 {
     if (indeterminate() == newValue)
         return;
 
     m_isIndeterminate = newValue;
 
     pseudoStateChanged(CSSSelector::PseudoIndeterminate);
 
-    if (layoutObject())
+    if (hasLayoutObject())
         LayoutTheme::theme().controlStateChanged(*layoutObject(), CheckedControlState);
 }
 
 int HTMLInputElement::size() const
 {
     return m_size;
 }
 
 bool HTMLInputElement::sizeShouldIncludeDecoration(int& preferredSize) const
 {
@@ skipping 462 matching lines @@
 bool HTMLInputElement::canReceiveDroppedFiles() const
 {
     return m_canReceiveDroppedFiles;
 }
 
 void HTMLInputElement::setCanReceiveDroppedFiles(bool canReceiveDroppedFiles)
 {
     if (!!m_canReceiveDroppedFiles == canReceiveDroppedFiles)
         return;
     m_canReceiveDroppedFiles = canReceiveDroppedFiles;
-    if (layoutObject())
+    if (hasLayoutObject())
         layoutObject()->updateFromElement();
 }
 
 String HTMLInputElement::sanitizeValue(const String& proposedValue) const
 {
     if (proposedValue.isNull())
         return proposedValue;
     return m_inputType->sanitizeValue(proposedValue);
 }
 
@@ skipping 482 matching lines @@
 void HTMLInputElement::ensurePrimaryContent()
 {
     m_inputTypeView->ensurePrimaryContent();
 }
 
 bool HTMLInputElement::hasFallbackContent() const
 {
     return m_inputTypeView->hasFallbackContent();
 }
 } // namespace blink