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

device/hid/input_service_linux.h

Index: device/hid/input_service_linux.h
diff --git a/device/hid/input_service_linux.h b/device/hid/input_service_linux.h
index 55bf70c1c682a1231795bdce2173c7c28d7bc147..02e7570cc890efd586f11350bdaae8e419930119 100644
--- a/device/hid/input_service_linux.h
+++ b/device/hid/input_service_linux.h
@@ -14,7 +14,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/observer_list.h"
-#include "base/threading/thread_checker.h"
+
 #include "device/hid/device_monitor_linux.h"
 
 namespace device {
@@ -45,6 +45,8 @@ class InputServiceLinux : public base::MessageLoop::DestructionObserver {
     bool is_touchscreen : 1;
   };
 
+  typedef base::hash_map<std::string, InputDeviceInfo> DeviceMap;
+
   class Observer {
    public:
     virtual ~Observer() {}
@@ -53,42 +55,36 @@ class InputServiceLinux : public base::MessageLoop::DestructionObserver {
   };
 
   InputServiceLinux();
+  ~InputServiceLinux() override;
 
   static InputServiceLinux* GetInstance();
   static bool HasInstance();
   static void SetForTesting(InputServiceLinux* service);
 
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
+  virtual void AddObserver(Observer* observer);
+  virtual void RemoveObserver(Observer* observer);
 
   // Returns list of all currently connected input/hid devices.
-  void GetDevices(std::vector<InputDeviceInfo>* devices);
+  virtual void GetDevices(std::vector<InputDeviceInfo>* devices);
 
   // Returns an info about input device identified by |id|. When there're
   // no input or hid device with such id, returns false and doesn't
   // modify |info|.
-  bool GetDeviceInfo(const std::string& id, InputDeviceInfo* info) const;
+  virtual bool GetDeviceInfo(
+      const std::string& id, InputDeviceInfo* info) const;
 
   // Implements base::MessageLoop::DestructionObserver
   void WillDestroyCurrentMessageLoop() override;
 
  protected:
-  ~InputServiceLinux() override;
-
-  void AddDevice(const InputDeviceInfo& info);
-  void RemoveDevice(const std::string& id);
-
-  bool CalledOnValidThread() const;
-
- private:
-  friend struct base::DefaultDeleter<InputServiceLinux>;
-
-  typedef base::hash_map<std::string, InputDeviceInfo> DeviceMap;
 
+  virtual void AddDevice(const InputDeviceInfo& info);
+  virtual void RemoveDevice(const std::string& id);
   DeviceMap devices_;

[Nikita (slow), 2015/02/13 12:31:45]

nit: add empty line between methods and members.

[merkulova, 2015/02/13 12:58:06]

Done.

   ObserverList<Observer> observers_;
 
-  base::ThreadChecker thread_checker_;
+ private:
+  friend struct base::DefaultDeleter<InputServiceLinux>;
 
   DISALLOW_COPY_AND_ASSIGN(InputServiceLinux);
 };