DevTools: Avoid private member access in non-profiler code

Source/devtools/front_end/sdk/BreakpointManager.js

 /*
  * 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 692 matching lines @@
         if (callbackImmediately)
             this._didRemoveFromDebugger();
     },
 
     _updateInDebugger: function()
     {
         this._removeFromDebugger();
         var uiSourceCode = this._breakpoint.uiSourceCode();
         if (!uiSourceCode || !this._breakpoint._enabled)
             return;
-        var scriptFile = uiSourceCode.scriptFileForTarget(this._target);
+        var scriptFile = uiSourceCode.scriptFileForTarget(this.target());
         if (scriptFile && scriptFile.hasDivergedFromVM())
             return;
 
         var lineNumber = this._breakpoint._lineNumber;
         var columnNumber = this._breakpoint._columnNumber;
-        var rawLocation = uiSourceCode.uiLocationToRawLocation(this._target, lineNumber, columnNumber);
+        var rawLocation = uiSourceCode.uiLocationToRawLocation(this.target(), lineNumber, columnNumber);
         var debuggerModelLocation = /** @type {!WebInspector.DebuggerModel.Location} */ (rawLocation);
         var condition = this._breakpoint.condition();
         if (debuggerModelLocation)
             this.target().debuggerModel.setBreakpointByScriptLocation(debuggerModelLocation, condition, this._didSetBreakpointInDebugger.bind(this));
         else if (uiSourceCode.url)
             this.target().debuggerModel.setBreakpointByURL(uiSourceCode.url, lineNumber, columnNumber, condition, this._didSetBreakpointInDebugger.bind(this));
     },
 
     /**
      * @param {?DebuggerAgent.BreakpointId} breakpointId
@@ skipping 160 matching lines @@
 {
     this.sourceFileId = breakpoint._sourceFileId;
     this.lineNumber = breakpoint.lineNumber();
     this.columnNumber = breakpoint.columnNumber();
     this.condition = breakpoint.condition();
     this.enabled = breakpoint.enabled();
 }
 
 /** @type {!WebInspector.BreakpointManager} */
 WebInspector.breakpointManager;