DevTools: do not respect Chrome theme in DevTools, align toolbar items.

Source/devtools/front_end/main/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.AppProvider",
             "condition": "can_dock",
             "className": "WebInspector.AdvancedAppProvider",
             "order": 0
         },
         {
             "type": "@WebInspector.AppProvider",
@@ skipping 157 matching lines @@
             "order": 2,
             "location": "main-toolbar-right"
         },
         {
             "type": "@WebInspector.ToolbarItem.Provider",
             "className": "WebInspector.DockController.ButtonProvider",
             "order": 4,
             "location": "main-toolbar-right"
         },
         {
+            "type": "@WebInspector.ToolbarItem.Provider",
+            "className": "WebInspector.DockController.CloseButtonProvider",
+            "order": 100,
+            "location": "main-toolbar-right"
+        },
+        {
             "type": "setting",
             "category": "",
             "title": "Disable cache (while DevTools is open)",
             "settingName": "cacheDisabled",
             "settingType": "boolean",
             "defaultValue": false
         },
         {
             "type": "setting",
             "category": "",
@@ skipping 95 matching lines @@
         "Tests.js",
         "OverlayController.js",
         "Main.js"
     ],
     "skip_compilation": [
         "Tests.js"
     ],
     "resources": [
     ]
 }