Update renderer in core/css.

Source/core/css/CSSComputedStyleDeclaration.cpp

Index: Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/Source/core/css/CSSComputedStyleDeclaration.cpp b/Source/core/css/CSSComputedStyleDeclaration.cpp
index 9604eb68cd29534f3c740247bb6ffb2cb33331a2..9f274d48e00437736506c032088265b0e9eabe95 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -443,7 +443,7 @@ static void logUnimplementedPropertyID(CSSPropertyID propertyID)
     WTF_LOG_ERROR("WebKit does not yet implement getComputedStyle for '%s'.", getPropertyName(propertyID));
 }
 
-static bool isLayoutDependent(CSSPropertyID propertyID, const ComputedStyle* style, LayoutObject* renderer)
+static bool isLayoutDependent(CSSPropertyID propertyID, const ComputedStyle* style, LayoutObject* layoutObject)
 {
     // Some properties only depend on layout in certain conditions which
     // are specified in the main switch statement below. So we can avoid
@@ -472,25 +472,29 @@ static bool isLayoutDependent(CSSPropertyID propertyID, const ComputedStyle* sty
     case CSSPropertyRy:
         return true;
     case CSSPropertyMargin:
-        return renderer && renderer->isBox() && (!style || !style->marginBottom().isFixed() || !style->marginTop().isFixed() || !style->marginLeft().isFixed() || !style->marginRight().isFixed());
+        return layoutObject && layoutObject->isBox()
+            && (!style || !style->marginBottom().isFixed() || !style->marginTop().isFixed()
+                || !style->marginLeft().isFixed() || !style->marginRight().isFixed());
     case CSSPropertyMarginLeft:
-        return renderer && renderer->isBox() && (!style || !style->marginLeft().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->marginLeft().isFixed());
     case CSSPropertyMarginRight:
-        return renderer && renderer->isBox() && (!style || !style->marginRight().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->marginRight().isFixed());
     case CSSPropertyMarginTop:
-        return renderer && renderer->isBox() && (!style || !style->marginTop().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->marginTop().isFixed());
     case CSSPropertyMarginBottom:
-        return renderer && renderer->isBox() && (!style || !style->marginBottom().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->marginBottom().isFixed());
     case CSSPropertyPadding:
-        return renderer && renderer->isBox() && (!style || !style->paddingBottom().isFixed() || !style->paddingTop().isFixed() || !style->paddingLeft().isFixed() || !style->paddingRight().isFixed());
+        return layoutObject && layoutObject->isBox()
+            && (!style || !style->paddingBottom().isFixed() || !style->paddingTop().isFixed()
+                || !style->paddingLeft().isFixed() || !style->paddingRight().isFixed());
     case CSSPropertyPaddingBottom:
-        return renderer && renderer->isBox() && (!style || !style->paddingBottom().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->paddingBottom().isFixed());
     case CSSPropertyPaddingLeft:
-        return renderer && renderer->isBox() && (!style || !style->paddingLeft().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->paddingLeft().isFixed());
     case CSSPropertyPaddingRight:
-        return renderer && renderer->isBox() && (!style || !style->paddingRight().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->paddingRight().isFixed());
     case CSSPropertyPaddingTop:
-        return renderer && renderer->isBox() && (!style || !style->paddingTop().isFixed());
+        return layoutObject && layoutObject->isBox() && (!style || !style->paddingTop().isFixed());
     default:
         return false;
     }
@@ -519,7 +523,7 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
     Node* styledNode = this->styledNode();
     if (!styledNode)
         return nullptr;
-    LayoutObject* renderer = styledNode->layoutObject();
+    LayoutObject* layoutObject = styledNode->layoutObject();
     const ComputedStyle* style;
 
     Document& document = styledNode->document();
@@ -532,11 +536,11 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
     // The style recalc could have caused the styled node to be discarded or replaced
     // if it was a PseudoElement so we need to update it.
     styledNode = this->styledNode();
-    renderer = styledNode->layoutObject();
+    layoutObject = styledNode->layoutObject();
 
     style = computeComputedStyle();
 
-    bool forceFullLayout = isLayoutDependent(propertyID, style, renderer)
+    bool forceFullLayout = isLayoutDependent(propertyID, style, layoutObject)
         || styledNode->isInShadowTree()
         || (document.ownerElement() && document.ensureStyleResolver().hasViewportDependentMediaQueries());
 
@@ -544,13 +548,13 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
         document.updateLayoutIgnorePendingStylesheets();
         styledNode = this->styledNode();
         style = computeComputedStyle();
-        renderer = styledNode->layoutObject();
+        layoutObject = styledNode->layoutObject();
     }
 
     if (!style)
         return nullptr;
 
-    RefPtrWillBeRawPtr<CSSValue> value = ComputedStyleCSSValueMapping::get(propertyID, *style, renderer, styledNode, m_allowVisitedStyle);
+    RefPtrWillBeRawPtr<CSSValue> value = ComputedStyleCSSValueMapping::get(propertyID, *style, layoutObject, styledNode, m_allowVisitedStyle);
     if (value)
         return value;