Add FilePath to base namespace.

chrome/browser/chromeos/imageburner/burn_controller.h

Index: chrome/browser/chromeos/imageburner/burn_controller.h
diff --git a/chrome/browser/chromeos/imageburner/burn_controller.h b/chrome/browser/chromeos/imageburner/burn_controller.h
index e35ecd6860bccd40803fb9730f4b0daf8152ca7b..a0e62c904a4935a7a8728a7e46f71e229022efc2 100644
--- a/chrome/browser/chromeos/imageburner/burn_controller.h
+++ b/chrome/browser/chromeos/imageburner/burn_controller.h
@@ -10,9 +10,8 @@
 #include "base/basictypes.h"
 #include "chromeos/disks/disk_mount_manager.h"
 
-class FilePath;
-
 namespace base {
+class FilePath;
 class TimeDelta;
 }
 
@@ -69,8 +68,8 @@ class BurnController {
   // Returns devices on which we can burn recovery image.
   virtual std::vector<disks::DiskMountManager::Disk> GetBurnableDevices() = 0;
   // Starts burning process.
-  virtual void StartBurnImage(const FilePath& target_device_path,
-                              const FilePath& target_file_path) = 0;
+  virtual void StartBurnImage(const base::FilePath& target_device_path,
+                              const base::FilePath& target_file_path) = 0;
   // Cancels burning process.
   virtual void CancelBurnImage() = 0;
   // Creates a new instance of BurnController.