Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLInputElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
index dc8ac7c79b0d98ee9c0ea2845c48c93daf9c35fd..85bfb8205062021275554bff6ea1b67f6d558e71 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
@@ -342,7 +342,7 @@ void HTMLInputElement::updateFocusAppearance(SelectionBehaviorOnFocus selectionB
         // 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();
@@ -893,7 +893,7 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
 
     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
         scope->updateCheckedState(this);
-    if (layoutObject())
+    if (hasLayoutObject())
         LayoutTheme::theme().controlStateChanged(*layoutObject(), CheckedControlState);
 
     setNeedsValidityCheck();
@@ -901,7 +901,7 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
     // 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);
     }
@@ -929,7 +929,7 @@ void HTMLInputElement::setIndeterminate(bool newValue)
 
     pseudoStateChanged(CSSSelector::PseudoIndeterminate);
 
-    if (layoutObject())
+    if (hasLayoutObject())
         LayoutTheme::theme().controlStateChanged(*layoutObject(), CheckedControlState);
 }
 
@@ -1412,7 +1412,7 @@ void HTMLInputElement::setCanReceiveDroppedFiles(bool canReceiveDroppedFiles)
     if (!!m_canReceiveDroppedFiles == canReceiveDroppedFiles)
         return;
     m_canReceiveDroppedFiles = canReceiveDroppedFiles;
-    if (layoutObject())
+    if (hasLayoutObject())
         layoutObject()->updateFromElement();
 }