Add "Request app banner" context menu in DevTools

third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js

Index: third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js
index 24f99c2c3ba03af1a43cbcb6a88b05720e2fa84f..5411b805c30a70d7d778dd626ba16247bff1ecac 100644
--- a/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js
+++ b/third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeView.js
@@ -635,6 +635,7 @@ WebInspector.DeviceModeView.Toolbar.prototype = {
         contextMenu.appendCheckboxItem(WebInspector.UIString("Show media queries"), this._toggleMediaInspector.bind(this), this._showMediaInspectorSetting.get(), this._model.type() === WebInspector.DeviceModeModel.Type.None);
         contextMenu.appendCheckboxItem(WebInspector.UIString("Show rulers"), this._toggleRulers.bind(this), this._showRulersSetting.get(), this._model.type() === WebInspector.DeviceModeModel.Type.None);
         contextMenu.appendItem(WebInspector.UIString("Configure network\u2026"), this._openNetworkConfig.bind(this), false);
+        contextMenu.appendItemsAtLocation("deviceModeMenu");
     },
 
     _toggleMediaInspector: function()
@@ -1030,9 +1031,15 @@ WebInspector.DeviceModeView.ActionDelegate.prototype = {
      */
     handleAction: function(context, actionId)
     {
-        if (actionId === "emulation.toggle-device-mode" && WebInspector.DeviceModeView._wrapperInstance) {
-            WebInspector.DeviceModeView._wrapperInstance._toggleDeviceMode();
-            return true;
+        if (WebInspector.DeviceModeView._wrapperInstance) {
+            if (actionId === "emulation.toggle-device-mode") {
+                WebInspector.DeviceModeView._wrapperInstance._toggleDeviceMode();
+                return true;
+            }
+            if (actionId === "emulation.request-app-banner") {
+                WebInspector.DeviceModeView._wrapperInstance._requestAppBanner();
+                return true;
+            }
         }
         return false;
     }
@@ -1085,5 +1092,10 @@ WebInspector.DeviceModeView.Wrapper.prototype = {
         }
     },
 
+    _requestAppBanner: function()
+    {
+        this._deviceModeView._model.requestAppBanner();
+    },
+
     __proto__: WebInspector.VBox.prototype
 }