Use new is*Element() helper functions in inspector code

Source/core/inspector/InspectorStyleSheet.cpp

 /*
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 #include "config.h"
 #include "core/inspector/InspectorStyleSheet.h"
 
 #include "CSSPropertyNames.h"
-#include "HTMLNames.h"
-#include "SVGNames.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "bindings/v8/ScriptRegexp.h"
 #include "core/css/CSSKeyframesRule.h"
 #include "core/css/CSSMediaRule.h"
 #include "core/css/parser/BisonCSSParser.h"
 #include "core/css/CSSRuleList.h"
 #include "core/css/CSSStyleRule.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/CSSSupportsRule.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/frame/PageConsole.h"
+#include "core/html/HTMLStyleElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/inspector/ContentSearchUtils.h"
 #include "core/inspector/InspectorCSSAgent.h"
 #include "core/inspector/InspectorPageAgent.h"
 #include "core/inspector/InspectorResourceAgent.h"
+#include "core/svg/SVGStyleElement.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/TextPosition.h"
 
 using WebCore::TypeBuilder::Array;
 using WebCore::RuleSourceDataList;
 using WebCore::CSSRuleSourceData;
 using WebCore::CSSStyleSheet;
 
@@ skipping 1446 matching lines @@
 }
 
 bool InspectorStyleSheet::inlineStyleSheetText(String* result) const
 {
     if (!m_pageStyleSheet)
         return false;
 
     Node* ownerNode = m_pageStyleSheet->ownerNode();
     if (!ownerNode || ownerNode->nodeType() != Node::ELEMENT_NODE)
         return false;
-    Element* ownerElement = toElement(ownerNode);
+    Element& ownerElement = toElement(*ownerNode);
 
-    if (!ownerElement->hasTagName(HTMLNames::styleTag) && !ownerElement->hasTagName(SVGNames::styleTag))
+    if (!isHTMLStyleElement(ownerElement) && !isSVGStyleElement(ownerElement))
         return false;
-    *result = ownerElement->textContent();
+    *result = ownerElement.textContent();
     return true;
 }
 
 PassRefPtr<InspectorStyleSheetForInlineStyle> InspectorStyleSheetForInlineStyle::create(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener)
 {
     return adoptRef(new InspectorStyleSheetForInlineStyle(pageAgent, resourceAgent, id, element, origin, listener));
 }
 
 InspectorStyleSheetForInlineStyle::InspectorStyleSheetForInlineStyle(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener)
     : InspectorStyleSheet(pageAgent, resourceAgent, id, nullptr, origin, "", listener)
@@ skipping 117 matching lines @@
 
     RefPtr<MutableStylePropertySet> tempDeclaration = MutableStylePropertySet::create();
     RuleSourceDataList ruleSourceDataResult;
     StyleSheetHandler handler(m_styleText, &m_element->document(), m_element->document().elementSheet().contents(), &ruleSourceDataResult);
     createCSSParser(&m_element->document())->parseDeclaration(tempDeclaration.get(), m_styleText, &handler, m_element->document().elementSheet().contents());
     return ruleSourceDataResult.first().release();
 }
 
 } // namespace WebCore