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

Source/bindings/v8/DebuggerScript.js

 /*
  * Copyright (C) 2010 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 215 matching lines @@
     return topFrame;
 }
 
 DebuggerScript.stepIntoStatement = function(execState)
 {
     execState.prepareStep(Debug.StepAction.StepIn, 1);
 }
 
 DebuggerScript.stepOverStatement = function(execState, callFrame)
 {
-    var frameMirror = callFrame ? callFrame.frameMirror : undefined;
-    execState.prepareStep(Debug.StepAction.StepNext, 1, frameMirror);
+    execState.prepareStep(Debug.StepAction.StepNext, 1);
 }
 
 DebuggerScript.stepOutOfFunction = function(execState, callFrame)
 {
-    var frameMirror = callFrame ? callFrame.frameMirror : undefined;
-    execState.prepareStep(Debug.StepAction.StepOut, 1, frameMirror);
+    execState.prepareStep(Debug.StepAction.StepOut, 1);
 }
 
 // Returns array in form:
 //      [ 0, <v8_result_report> ] in case of success
 //   or [ 1, <general_error_message>, <compiler_message>, <line_number>, <column_number> ] in case of compile error, numbers are 1-based.
 // or throws exception with message.
 DebuggerScript.liveEditScriptSource = function(scriptId, newSource, preview)
 {
     var scripts = Debug.scripts();
     var scriptToEdit = null;
@@ skipping 205 matching lines @@
         "functionName": functionName,
         "thisObject": thisObject,
         "scopeChain": lazyScopeChain,
         "scopeType": scopeTypes,
         "evaluate": evaluate,
         "caller": callerFrame,
         "restart": restart,
         "setVariableValue": setVariableValue,
         "stepInPositions": stepInPositions,
         "isAtReturn": isAtReturn,
-        "returnValue": returnValue,
-        "frameMirror": frameMirror
+        "returnValue": returnValue
     };
 }
 
 DebuggerScript._buildScopeObject = function(scopeType, scopeObject)
 {
     var result;
     switch (scopeType) {
     case ScopeType.Local:
     case ScopeType.Closure:
     case ScopeType.Catch:
@@ skipping 19 matching lines @@
         break;
     }
     return result;
 }
 
 // We never resolve Mirror by its handle so to avoid memory leaks caused by Mirrors in the cache we disable it.
 ToggleMirrorCache(false);
 
 return DebuggerScript;
 })();