Add "Request app banner" context menu in DevTools

third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js

Index: third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js b/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
index 957b5baea9d01e8a6a2c06d234e91fb57f678dd4..dd6ac3e63d440d626b3c07c5e612aca4dd6cbd50 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/NavigatorView.js
@@ -550,7 +550,10 @@ WebInspector.NavigatorView.prototype = {
 
         contextMenu.show();
     },
-
+    _requestAppBanner: function(agent)
+    {
+      agent.requestAppBanner();
+    },
     /**
      * @param {!Event} event
      * @param {!WebInspector.NavigatorFolderTreeNode} node
@@ -561,7 +564,12 @@ WebInspector.NavigatorView.prototype = {
         var project = node._project;
 
         var contextMenu = new WebInspector.ContextMenu(event);
-
+        if (node.parent.isRoot()) {
+          var target =  WebInspector.NetworkProject.targetForProject(project);
+          if (target.isPage()) {
+            contextMenu.appendItem(WebInspector.UIString.capitalize("Request app banner"), this._requestAppBanner.bind(this, target.pageAgent()));
+          }
+        }
         if (project && project.type() === WebInspector.projectTypes.FileSystem) {
             contextMenu.appendItem(WebInspector.UIString.capitalize("Refresh"), this._handleContextMenuRefresh.bind(this, project, path));
             if (node instanceof WebInspector.NavigatorFolderTreeNode) {