DevTools: Revert stepping over/out on a call frame backend code.

Source/core/inspector/PageDebuggerAgent.cpp

 /*
  * Copyright (C) 2011 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 90 matching lines @@
 
 void PageDebuggerAgent::overlayResumed()
 {
     ErrorString error;
     resume(&error);
 }
 
 void PageDebuggerAgent::overlaySteppedOver()
 {
     ErrorString error;
-    stepOver(&error, 0);
+    stepOver(&error);
 }
 
 InjectedScript PageDebuggerAgent::injectedScriptForEval(ErrorString* errorString, const int* executionContextId)
 {
     if (!executionContextId) {
         ScriptState* scriptState = ScriptState::forMainWorld(m_pageAgent->mainFrame());
         return injectedScriptManager()->injectedScriptFor(scriptState);
     }
     InjectedScript injectedScript = injectedScriptManager()->injectedScriptForId(*executionContextId);
     if (injectedScript.isEmpty())
@@ skipping 35 matching lines @@
 
 void PageDebuggerAgent::didCommitLoad(LocalFrame* frame, DocumentLoader* loader)
 {
     Frame* mainFrame = frame->page()->deprecatedLocalMainFrame();
     if (loader->frame() == mainFrame)
         pageDidCommitLoad();
 }
 
 } // namespace WebCore