DevTools: [CSS] introduce strong types

Source/core/inspector/InspectorCSSAgent.cpp

Index: Source/core/inspector/InspectorCSSAgent.cpp
diff --git a/Source/core/inspector/InspectorCSSAgent.cpp b/Source/core/inspector/InspectorCSSAgent.cpp
index 610d7179d9a2d1f56302de0ef6bacb5787ee9cda..e25895c4b69688a804b4431474588d76cff8a81b 100644
--- a/Source/core/inspector/InspectorCSSAgent.cpp
+++ b/Source/core/inspector/InspectorCSSAgent.cpp
@@ -805,15 +805,12 @@ void InspectorCSSAgent::collectPlatformFontsForLayoutObject(LayoutObject* layout
 }
 
 void InspectorCSSAgent::getPlatformFontsForNode(ErrorString* errorString, int nodeId,
-    String* cssFamilyName, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PlatformFontUsage> >& platformFonts)
+    RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PlatformFontUsage>>& platformFonts)
 {
     Node* node = m_domAgent->assertNode(errorString, nodeId);
     if (!node)
         return;
 
-    RefPtrWillBeRawPtr<CSSComputedStyleDeclaration> computedStyleInfo = CSSComputedStyleDeclaration::create(node, true);
-    *cssFamilyName = computedStyleInfo->getPropertyValue(CSSPropertyFontFamily);
-
     HashCountedSet<String> fontStats;
     LayoutObject* root = node->layoutObject();
     if (root) {