[XHR] No need to remember line number and URL on send() for inspector

Source/core/xml/XMLHttpRequest.h

Index: Source/core/xml/XMLHttpRequest.h
diff --git a/Source/core/xml/XMLHttpRequest.h b/Source/core/xml/XMLHttpRequest.h
index 973d17a9f7fe87e1ef27b48f8cef86ef71efd7ad..7e50a1ecb73c39a54b899db99874ab01e964311b 100644
--- a/Source/core/xml/XMLHttpRequest.h
+++ b/Source/core/xml/XMLHttpRequest.h
@@ -147,9 +147,6 @@ public:
     // response attribute has custom getter.
     DOMArrayBuffer* responseArrayBuffer();
 
-    void setLastSendLineNumber(unsigned lineNumber) { m_lastSendLineNumber = lineNumber; }
-    void setLastSendURL(const String& url) { m_lastSendURL = url; }
-
     XMLHttpRequestUpload* upload();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(readystatechange);
@@ -281,8 +278,6 @@ private:
     // Used for onprogress tracking
     long long m_receivedLength;
 
-    unsigned m_lastSendLineNumber;
-    String m_lastSendURL;
     // An exception to throw in synchronous mode. It's set when failure
     // notification is received from m_loader and thrown at the end of send() if
     // any.