Add FilePath to base namespace.

chrome/browser/ui/network_profile_bubble.h

Index: chrome/browser/ui/network_profile_bubble.h
diff --git a/chrome/browser/ui/network_profile_bubble.h b/chrome/browser/ui/network_profile_bubble.h
index 7829539b1844e6e546b388e9690b55380bc91b6e..74eb2facbb442a939800f0bf6ae428a76397369c 100644
--- a/chrome/browser/ui/network_profile_bubble.h
+++ b/chrome/browser/ui/network_profile_bubble.h
@@ -8,10 +8,13 @@
 #include "base/basictypes.h"
 
 class Browser;
-class FilePath;
 class PrefServiceSyncable;
 class Profile;
 
+namespace base {
+class FilePath;
+}
+
 // This class will try to detect if the profile is on a network share and if
 // this is the case notify the user with an info bubble.
 class NetworkProfileBubble {
@@ -47,7 +50,7 @@ class NetworkProfileBubble {
 
   // Verifies that the profile folder is not located on a network share, and if
   // it is shows the warning bubble to the user.
-  static void CheckNetworkProfile(const FilePath& profile_folder);
+  static void CheckNetworkProfile(const base::FilePath& profile_folder);
 
   // Shows the notification bubble using the provided |browser|.
   static void ShowNotification(Browser* browser);