Set the target type when creating the request for main resource

public/platform/WebURLRequest.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 85 matching lines @@
     ~WebURLRequest() { reset(); }
 
     WebURLRequest() : m_private(0) { }
     WebURLRequest(const WebURLRequest& r) : m_private(0) { assign(r); }
     WebURLRequest& operator=(const WebURLRequest& r)
     {
         assign(r);
         return *this;
     }
 
-    explicit WebURLRequest(const WebURL& url) : m_private(0)
-    {
-        initialize();
-        setURL(url);
-    }
+    explicit WebURLRequest(const WebURL&, bool isMainResource = false, bool isMainFrame = true);
 
     BLINK_PLATFORM_EXPORT void initialize();
     BLINK_PLATFORM_EXPORT void reset();
     BLINK_PLATFORM_EXPORT void assign(const WebURLRequest&);
 
     BLINK_PLATFORM_EXPORT bool isNull() const;
 
     BLINK_PLATFORM_EXPORT WebURL url() const;
     BLINK_PLATFORM_EXPORT void setURL(const WebURL&);
 
@@ skipping 81 matching lines @@
 protected:
     BLINK_PLATFORM_EXPORT void assign(WebURLRequestPrivate*);
 
 private:
     WebURLRequestPrivate* m_private;
 };
 
 } // namespace blink
 
 #endif