Devtools UI: Fix recording shortcut on Mac to use Cmd not Ctrl

Source/devtools/front_end/profiler/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.PanelFactory",
             "name": "profiles",
             "title": "Profiles",
             "order": 4,
             "className": "WebInspector.ProfilesPanelFactory"
         },
         {
@@ skipping 26 matching lines @@
             "defaultValue": false
         },
         {
             "type": "@WebInspector.ActionDelegate",
             "actionId": "profiler.toggle-recording",
             "iconClass": "record-toolbar-item",
             "contextTypes": ["WebInspector.ProfilesPanel"],
             "className": "WebInspector.ProfilesPanel.RecordActionDelegate",
             "bindings": [
                 {
+                    "platform": "windows,linux",
                     "shortcut": "Ctrl+E"
+                },
+                {
+                    "platform": "mac",
+                    "shortcut": "Meta+E"
                 }
             ]
         }
     ],
     "dependencies": [
         "components",
         "ui_lazy"
     ],
     "scripts": [
         "ProfilesPanel.js",
         "CPUProfileDataGrid.js",
         "CPUProfileBottomUpDataGrid.js",
         "CPUProfileTopDownDataGrid.js",
         "CPUProfileFlameChart.js",
         "CPUProfileView.js",
         "HeapSnapshotCommon.js",
         "HeapSnapshotProxy.js",
         "HeapSnapshotDataGrids.js",
         "HeapSnapshotGridNodes.js",
         "HeapSnapshotView.js",
         "ProfileLauncherView.js",
         "ProfileTypeRegistry.js",
         "TargetsComboBoxController.js"
     ],
     "resources": [
         "heapProfiler.css",
         "profilesPanel.css"
     ]
 }