Update device permissions dialog ui for Chrome apps and extensions

extensions/browser/api/hid/hid_apitest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 115 matching lines @@
     : public DevicePermissionsPrompt,
       public DevicePermissionsPrompt::Prompt::Observer {
  public:
   explicit TestDevicePermissionsPrompt(content::WebContents* web_contents)
       : DevicePermissionsPrompt(web_contents) {}
 
   ~TestDevicePermissionsPrompt() override { prompt()->SetObserver(nullptr); }
 
   void ShowDialog() override { prompt()->SetObserver(this); }
 
-  void OnDevicesChanged() override {
+  void OnDeviceAdded(size_t index, const base::string16& device_name) override {
+    OnDevicesChanged();
+  }
+
+  void OnDeviceRemoved(size_t index,
+                       const base::string16& device_name) override {
+    OnDevicesChanged();
+  }
+
+ private:
+  void OnDevicesChanged() {
     for (size_t i = 0; i < prompt()->GetDeviceCount(); ++i) {
       prompt()->GrantDevicePermission(i);
       if (!prompt()->multiple()) {
         break;
       }
     }
     prompt()->Dismissed();
   }
 };
 
@@ skipping 111 matching lines @@
   ExtensionTestMessageListener remove_listener("removed", false);
   device_client_->hid_service()->RemoveDevice(kTestDeviceIds[0]);
   ASSERT_TRUE(remove_listener.WaitUntilSatisfied());
 
   ExtensionTestMessageListener add_listener("added", false);
   AddDevice(kTestDeviceIds[0], 0x18D1, 0x58F0, true);
   ASSERT_TRUE(add_listener.WaitUntilSatisfied());
 }
 
 }  // namespace extensions