Created fakes for HID-detection screen testing. Initial browsertest added.

chrome/browser/chromeos/device/input_service_proxy.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_
 #define CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 17 matching lines @@
     virtual void OnInputDeviceAdded(const InputDeviceInfo& info) = 0;
     virtual void OnInputDeviceRemoved(const std::string& id) = 0;
   };
 
   typedef base::Callback<void(const std::vector<InputDeviceInfo>& devices)>
       GetDevicesCallback;
   typedef base::Callback<void(bool success, const InputDeviceInfo& info)>
       GetDeviceInfoCallback;
 
   InputServiceProxy();
-  ~InputServiceProxy();
+  virtual ~InputServiceProxy();
 
   // Used for early init for cashing info about available HID.
   static void WarmUp();
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
-  void GetDevices(const GetDevicesCallback& callback);
-  void GetDeviceInfo(const std::string& id,
-                     const GetDeviceInfoCallback& callback);
+  virtual void GetDevices(const GetDevicesCallback& callback);
+  virtual void GetDeviceInfo(const std::string& id,
+                             const GetDeviceInfoCallback& callback);
+
+ protected:
+  ObserverList<Observer> observers_;
 
  private:
   class ServiceObserver;
 
-  void OnDeviceAdded(const device::InputServiceLinux::InputDeviceInfo& info);
-  void OnDeviceRemoved(const std::string& id);
+  virtual void OnDeviceAdded(
+      const device::InputServiceLinux::InputDeviceInfo& info);
+  virtual void OnDeviceRemoved(const std::string& id);
 
-  ObserverList<Observer> observers_;
   scoped_ptr<ServiceObserver> service_observer_;
 
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<InputServiceProxy> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputServiceProxy);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_