Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/html/HTMLViewSourceDocument.cpp

Index: Source/core/html/HTMLViewSourceDocument.cpp
diff --git a/Source/core/html/HTMLViewSourceDocument.cpp b/Source/core/html/HTMLViewSourceDocument.cpp
index b40c084de472a4de8396e2bc3cfdc2ec57dcd5bf..b2da87d4aac798f707dd95760624a478a5db6daf 100644
--- a/Source/core/html/HTMLViewSourceDocument.cpp
+++ b/Source/core/html/HTMLViewSourceDocument.cpp
@@ -45,8 +45,8 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLViewSourceDocument::HTMLViewSourceDocument(Frame* frame, const KURL& url, const String& mimeType)
-    : HTMLDocument(frame, url)
+HTMLViewSourceDocument::HTMLViewSourceDocument(const DocumentInitializer& initializer, const String& mimeType)
+    : HTMLDocument(initializer)
     , m_type(mimeType)
 {
     styleSheetCollection()->setUsesBeforeAfterRulesOverride(true);