Revert of [DevTools] Remove edited scripts from debugger agent, move knowledge to frontend.

Source/devtools/front_end/bindings/ResourceScriptMapping.js

Index: Source/devtools/front_end/bindings/ResourceScriptMapping.js
diff --git a/Source/devtools/front_end/bindings/ResourceScriptMapping.js b/Source/devtools/front_end/bindings/ResourceScriptMapping.js
index 5aab2798b7dab9aaa180b40eafcdc227fede71cc..88336246748f143c81202cc3158147d444897116 100644
--- a/Source/devtools/front_end/bindings/ResourceScriptMapping.js
+++ b/Source/devtools/front_end/bindings/ResourceScriptMapping.js
@@ -239,10 +239,6 @@
     _bindUISourceCodeToScripts: function(uiSourceCode, scripts)
     {
         console.assert(scripts.length);
-        var boundScriptFile = this.scriptFile(uiSourceCode);
-        if (boundScriptFile && boundScriptFile.hasScripts(scripts))
-            return;
-
         var scriptFile = new WebInspector.ResourceScriptFile(this, uiSourceCode, scripts);
         this._setScriptFile(uiSourceCode, scriptFile);
         for (var i = 0; i < scripts.length; ++i)
@@ -313,18 +309,6 @@
 }
 
 WebInspector.ResourceScriptFile.prototype = {
-    /**
-     * @param {!Array.<!WebInspector.Script>} scripts
-     * @return {boolean}
-     */
-    hasScripts: function(scripts)
-    {
-        var script;
-        if (this._uiSourceCode.contentType() === WebInspector.resourceTypes.Script)
-            script = scripts[0];
-        return this._script === script;
-    },
-
     /**
      * @param {function(?string,!DebuggerAgent.SetScriptSourceError=,!WebInspector.Script=)=} callback
      */