Move device/core files to device/base directory.

device/base/device_monitor_win.h

Index: device/base/device_monitor_win.h
diff --git a/device/core/device_monitor_win.h b/device/base/device_monitor_win.h
similarity index 82%
rename from device/core/device_monitor_win.h
rename to device/base/device_monitor_win.h
index 36600e44cbcb545bcc98f9ac0020cd7668f86830..0370c79281fdc0ec90e25f7416359a43f0297c01 100644
--- a/device/core/device_monitor_win.h
+++ b/device/base/device_monitor_win.h
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef DEVICE_CORE_DEVICE_MONITOR_WIN_H_
-#define DEVICE_CORE_DEVICE_MONITOR_WIN_H_
+#ifndef DEVICE_BASE_DEVICE_MONITOR_WIN_H_
+#define DEVICE_BASE_DEVICE_MONITOR_WIN_H_
 
 #include <windows.h>
 
 #include "base/observer_list.h"
-#include "device/core/device_core_export.h"
+#include "device/base/device_base_export.h"
 
 namespace device {
 
 // Use an instance of this class to observe devices being added and removed
 // from the system, matched by device interface GUID.
-class DEVICE_CORE_EXPORT DeviceMonitorWin {
+class DEVICE_BASE_EXPORT DeviceMonitorWin {
  public:
-  class DEVICE_CORE_EXPORT Observer {
+  class DEVICE_BASE_EXPORT Observer {
    public:
     virtual void OnDeviceAdded(const GUID& class_guid,
                                const std::string& device_path);
@@ -47,4 +47,4 @@ class DEVICE_CORE_EXPORT DeviceMonitorWin {
 
 }  // namespace device
 
-#endif  // DEVICE_CORE_DEVICE_MONITOR_WIN_H_
+#endif  // DEVICE_BASE_DEVICE_MONITOR_WIN_H_