Devtools UI: Add toggle record shortcut in network panel

Source/devtools/front_end/network/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.PanelFactory",
             "name": "network",
             "title": "Network",
             "order": 1,
             "className": "WebInspector.NetworkPanelFactory"
         },
         {
@@ skipping 15 matching lines @@
             "experiment": "showPrimaryLoadWaterfallInNetworkTimeline",
             "defaultValue": false
         },
         {
             "type": "setting",
             "category": "Network",
             "title": "Color-code resource types",
             "settingName": "networkColorCodeResourceTypes",
             "settingType": "boolean",
             "defaultValue": false
+        },
+        {
+            "type": "@WebInspector.ActionDelegate",
+            "actionId": "network.toggle-recording",
+            "iconClass": "record-toolbar-item",
+            "contextTypes": ["WebInspector.NetworkPanel"],
+            "className": "WebInspector.NetworkPanel.RecordActionDelegate",
+            "bindings": [
+                {
+                    "platform": "windows,linux",
+                    "shortcut": "Ctrl+E"
+                },
+                {
+                    "platform": "mac",
+                    "shortcut": "Meta+E"
+                }
+            ]
         }
     ],
     "dependencies": [
         "source_frame",
         "components",
         "components_lazy",
         "ui_lazy"
     ],
     "scripts": [
         "EventSourceMessagesView.js",
@@ skipping 19 matching lines @@
     "resources": [
         "eventSourceMessagesView.css",
         "networkLogView.css",
         "networkPanel.css",
         "requestCookiesView.css",
         "requestHeadersView.css",
         "webSocketFrameView.css",
         "xmlView.css"
     ]
 }