DevTools: [JSDoc] Avoid partial arg list annotations in code except "profiler" module

Source/devtools/front_end/sources/SourcesPanel.js

Index: Source/devtools/front_end/sources/SourcesPanel.js
diff --git a/Source/devtools/front_end/sources/SourcesPanel.js b/Source/devtools/front_end/sources/SourcesPanel.js
index e79e3d2859db76a5609cbc5642911e020773c3c9..7c3e0d6195c0667a5e5df24ee7913f140e0b08a7 100644
--- a/Source/devtools/front_end/sources/SourcesPanel.js
+++ b/Source/devtools/front_end/sources/SourcesPanel.js
@@ -784,6 +784,7 @@ WebInspector.SourcesPanel.prototype = {
     },
 
     /**
+     * @param {!Event} event
      * @param {!WebInspector.ContextMenu} contextMenu
      * @param {!Object} target
      */
@@ -877,7 +878,7 @@ WebInspector.SourcesPanel.prototype = {
     },
 
     /**
-     * @param {!Event} event
+     * @param {?Event} event
      * @param {!WebInspector.ContextMenu} contextMenu
      * @param {!Object} target
      */
@@ -1246,6 +1247,7 @@ WebInspector.SourcesPanel.ContextMenuProvider = function()
 
 WebInspector.SourcesPanel.ContextMenuProvider.prototype = {
     /**
+     * @param {!Event} event
      * @param {!WebInspector.ContextMenu} contextMenu
      * @param {!Object} target
      */