Partial implementation of inline StylePropertyMap.

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

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 0a11d478cbcf30c71db9e5a9fcda4d510565e784..89e899739c569150b665d741bc87dd0c3db4fc71 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -3372,6 +3372,13 @@ CSSStyleDeclaration* Element::style()
     return &ensureElementRareData().ensureInlineCSSStyleDeclaration(this);
 }
 
+StylePropertyMap* Element::styleMap()
+{
+    if (!isStyledElement())
+        return nullptr;
+    return &ensureElementRareData().ensureInlineStylePropertyMap(this);
+}
+
 MutableStylePropertySet& Element::ensureMutableInlineStyle()
 {
     ASSERT(isStyledElement());
@@ -3467,6 +3474,14 @@ bool Element::setInlineStyleProperty(CSSPropertyID propertyID, const String& val
     return changes;
 }
 
+bool Element::setInlineStyleProperty(CSSPropertyID propertyID, const PassRefPtrWillBeRawPtr<CSSValue> value, bool important)
+{
+    ASSERT(isStyledElement());
+    ensureMutableInlineStyle().setProperty(propertyID, value);
+    inlineStyleChanged();
+    return true;
+}
+
 bool Element::removeInlineStyleProperty(CSSPropertyID propertyID)
 {
     ASSERT(isStyledElement());
@@ -3496,6 +3511,20 @@ void Element::updatePresentationAttributeStyle()
     elementData.m_presentationAttributeStyle = computePresentationAttributeStyle(*this);
 }
 
+void Element::invalidateInlineStylePropertyMap()
+{
+    if (!hasRareData())
+        return;
+    ElementRareData* rareData = elementRareData();
+    InlineStylePropertyMap* inlineStylePropertyMap = rareData->inlineStylePropertyMap();
+    if (!inlineStylePropertyMap) {
+        // If it doesn't exist, it isn't being used, so nothing to do.
+        return;
+    }
+
+    inlineStylePropertyMap->invalidate();
+}
+
 void Element::addPropertyToPresentationAttributeStyle(MutableStylePropertySet* style, CSSPropertyID propertyID, CSSValueID identifier)
 {
     ASSERT(isStyledElement());