Add FilePath to base namespace.

chrome/browser/system_monitor/test_volume_mount_watcher_win.h

Index: chrome/browser/system_monitor/test_volume_mount_watcher_win.h
diff --git a/chrome/browser/system_monitor/test_volume_mount_watcher_win.h b/chrome/browser/system_monitor/test_volume_mount_watcher_win.h
index 0771d70ca4167f5600c8e4a09123fe970515d6da..a4b722719260a5fb32b0562bc6bff08798f8596d 100644
--- a/chrome/browser/system_monitor/test_volume_mount_watcher_win.h
+++ b/chrome/browser/system_monitor/test_volume_mount_watcher_win.h
@@ -15,7 +15,9 @@
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/system_monitor/volume_mount_watcher_win.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace chrome {
 namespace test {
@@ -25,7 +27,7 @@ class TestVolumeMountWatcherWin : public VolumeMountWatcherWin {
   TestVolumeMountWatcherWin();
   virtual ~TestVolumeMountWatcherWin();
 
-  void AddDeviceForTesting(const FilePath& device_path,
+  void AddDeviceForTesting(const base::FilePath& device_path,
                            const std::string& device_id,
                            const std::string& unique_id,
                            const string16& device_name,
@@ -35,30 +37,30 @@ class TestVolumeMountWatcherWin : public VolumeMountWatcherWin {
 
   void FlushWorkerPoolForTesting();
 
-  virtual void DeviceCheckComplete(const FilePath& device_path);
+  virtual void DeviceCheckComplete(const base::FilePath& device_path);
 
-  std::vector<FilePath> devices_checked() const { return devices_checked_; }
+  std::vector<base::FilePath> devices_checked() const { return devices_checked_; }
 
   void BlockDeviceCheckForTesting();
 
   void ReleaseDeviceCheck();
 
   // VolumeMountWatcherWin:
-  virtual bool GetDeviceInfo(const FilePath& device_path,
+  virtual bool GetDeviceInfo(const base::FilePath& device_path,
                              string16* device_location,
                              std::string* unique_id,
                              string16* name,
                              bool* removable) const OVERRIDE;
-  virtual std::vector<FilePath> GetAttachedDevices();
+  virtual std::vector<base::FilePath> GetAttachedDevices();
 
-  bool GetRawDeviceInfo(const FilePath& device_path,
+  bool GetRawDeviceInfo(const base::FilePath& device_path,
                         string16* device_location,
                         std::string* unique_id,
                         string16* name,
                         bool* removable);
 
  private:
-  std::vector<FilePath> devices_checked_;
+  std::vector<base::FilePath> devices_checked_;
   scoped_ptr<base::WaitableEvent> device_check_complete_event_;
 
   DISALLOW_COPY_AND_ASSIGN(TestVolumeMountWatcherWin);