DevTools: properly support targets in LiveEditSupport

Source/devtools/front_end/sdk/DefaultScriptMapping.js

Index: Source/devtools/front_end/sdk/DefaultScriptMapping.js
diff --git a/Source/devtools/front_end/sdk/DefaultScriptMapping.js b/Source/devtools/front_end/sdk/DefaultScriptMapping.js
index 2a3839091b8bc5a013ecab87217f75413c1e74f1..43d8b9daeb1e085476b5b12a1e6dc6db7700f125 100644
--- a/Source/devtools/front_end/sdk/DefaultScriptMapping.js
+++ b/Source/devtools/front_end/sdk/DefaultScriptMapping.js
@@ -38,7 +38,7 @@ WebInspector.DefaultScriptMapping = function(debuggerModel, workspace)
 {
     this._debuggerModel = debuggerModel;
     this._workspace = workspace;
-    this._projectId = "debugger:" + debuggerModel.target().id();
+    this._projectId = WebInspector.DefaultScriptMapping.projectIdForTarget(debuggerModel.target());
     this._projectDelegate = new WebInspector.DebuggerProjectDelegate(this._workspace, this._projectId, WebInspector.projectTypes.Debugger);
     debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
     this._debuggerReset();
@@ -123,6 +123,15 @@ WebInspector.DefaultScriptMapping.prototype = {
 }
 
 /**
+ * @param {!WebInspector.Target} target
+ * @return {string}
+ */
+WebInspector.DefaultScriptMapping.projectIdForTarget = function(target)
+{
+    return "debugger:" + target.id();
+}
+
+/**
  * @constructor
  * @param {!WebInspector.Workspace} workspace
  * @param {string} id