Devtools[ResourceScriptMapping]: Ignore uiSourceCodes originated by other target's network project

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 d9a7a5cee6f549670edf325695b51cc31c55bb57..88336246748f143c81202cc3158147d444897116 100644
--- a/Source/devtools/front_end/bindings/ResourceScriptMapping.js
+++ b/Source/devtools/front_end/bindings/ResourceScriptMapping.js
@@ -224,6 +224,9 @@ WebInspector.ResourceScriptMapping.prototype = {
      */
     _scriptsForUISourceCode: function(uiSourceCode)
     {
+        var target = WebInspector.NetworkProject.targetForUISourceCode(uiSourceCode);
+        if (target && target !== this._debuggerModel.target())
+            return [];
         if (!this._networkMapping.networkURL(uiSourceCode))
             return [];
         return this._debuggerModel.scriptsForSourceURL(this._networkMapping.networkURL(uiSourceCode));