[XHR] Move the code to clear variables to internalAbort()

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 8124e332bbb1172e7ff50cadcb3c2a13002fa641..6ca199b99ac3ed764b5eb5ceddc92f02dd940993 100644
--- a/Source/core/xml/XMLHttpRequest.h
+++ b/Source/core/xml/XMLHttpRequest.h
@@ -201,8 +201,10 @@ private:
 
     // Clears variables used only while the resource is being loaded.
     void clearVariablesForLoading();
-    // Returns false iff reentry happened and a new load is started.
-    bool internalAbort();
+    void internalAbort();
+    // Detaches m_loader and calls cancel() on it. Returns false iff reentry
+    // happened and a new load is started.
+    bool cancelLoader();
     // Clears variables holding response header and body data.
     void clearResponse();
     void clearRequest();