DevTools: add a navigator menu with grouping options.

third_party/WebKit/Source/devtools/front_end/sources/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.PanelFactory",
             "name": "sources",
             "title": "Sources",
             "order": 30,
             "className": "WebInspector.SourcesPanelFactory"
         },
         {
@@ skipping 139 matching lines @@
                     "shortcut": "Meta+F8"
                 }
             ]
         },
         {
             "type": "context-menu-item",
             "location": "mainMenu/navigate",
             "actionId": "sources.search.toggle"
         },
         {
+            "type": "context-menu-item",
+            "location": "navigatorMenu/navigate",
+            "actionId": "sources.go-to-source"
+        },
+        {
             "type": "@WebInspector.Revealer",
             "contextTypes": ["WebInspector.UILocation"],
             "className": "WebInspector.SourcesPanel.UILocationRevealer"
         },
         {
             "type": "@WebInspector.Revealer",
             "contextTypes": ["WebInspector.DebuggerModel.Location"],
             "className": "WebInspector.SourcesPanel.DebuggerLocationRevealer"
         },
         {
@@ skipping 34 matching lines @@
             "type": "navigator-view",
             "name": "snippets",
             "title": "Snippets",
             "order": 3,
             "persistence": "permanent",
             "className": "WebInspector.SnippetsNavigatorView"
         },
         {
             "type": "@WebInspector.ActionDelegate",
             "actionId": "sources.go-to-source",
+            "title": "Go to file...",
             "className": "WebInspector.SourcesPanel.RevealingActionDelegate",
             "order": 100,
             "bindings": [
                 {
                     "platform": "mac",
                     "shortcut": "Meta+O Meta+P"
                 },
                 {
                     "platform": "windows,linux",
                     "shortcut": "Ctrl+O Ctrl+P"
                 }
             ]
         },
         {
             "type": "@WebInspector.ActionDelegate",
             "actionId": "sources.switch-file",
             "className": "WebInspector.SourcesView.SwitchFileActionDelegate",
             "contextTypes": ["WebInspector.SourcesView"],
             "bindings": [
                 {
                     "shortcut": "Alt+O"
                 }
             ]
         },
         {
             "type": "setting",
-            "category": "Sources",
-            "title": "Group items by",
-            "settingName": "navigatorGrouping",
-            "settingType": "enum",
-            "defaultValue": "frame/domain/folder",
-            "options": [
-                ["Frames", "frame"],
-                ["Frames and Domains", "frame/domain"],
-                ["Frames, Domains and Folders", "frame/domain/folder"],
-                ["Domains", "domain"],
-                ["Domains and Folders", "domain/folder"]
-            ]
+            "settingName": "navigatorGroupByFrame",
+            "settingType": "boolean",
+            "defaultValue": "true"
         },
         {
             "type": "setting",
+            "settingName": "navigatorGroupByDomain",
+            "settingType": "boolean",
+            "defaultValue": "true"
+        },
+        {
+            "type": "setting",
+            "settingName": "navigatorGroupByFolder",
+            "settingType": "boolean",
+            "defaultValue": "true"
+        },
+        {
+            "type": "setting",
             "category": "Sources",
             "title": "Search in content scripts",
             "settingName": "searchInContentScripts",
             "settingType": "boolean",
             "defaultValue": false
         },
         {
             "type": "setting",
             "category": "Sources",
             "title": "Enable JavaScript source maps",
@@ skipping 127 matching lines @@
         "addSourceMapURLDialog.css",
         "uiList.css",
         "navigatorView.css",
         "revisionHistory.css",
         "serviceWorkersSidebar.css",
         "sourcesPanel.css",
         "sourcesSearch.css",
         "sourcesView.css"
     ]
 }