Add FilePath to base namespace.

chrome/browser/importer/nss_decryptor_null.h

Index: chrome/browser/importer/nss_decryptor_null.h
diff --git a/chrome/browser/importer/nss_decryptor_null.h b/chrome/browser/importer/nss_decryptor_null.h
index 4fd6934534842f7ba72303b5c4d0473c4809ecd2..5e690f4544dbf001a53adc5e49da1f323f1cdf3e 100644
--- a/chrome/browser/importer/nss_decryptor_null.h
+++ b/chrome/browser/importer/nss_decryptor_null.h
@@ -11,7 +11,9 @@
 #include "base/basictypes.h"
 #include "base/string16.h"
 
+namespace base {
 class FilePath;
+}
 
 namespace content {
 struct PasswordForm;
@@ -22,11 +24,11 @@ struct PasswordForm;
 class NSSDecryptor {
  public:
   NSSDecryptor() {}
-  bool Init(const FilePath& dll_path, const FilePath& db_path) { return false; }
+  bool Init(const base::FilePath& dll_path, const base::FilePath& db_path) { return false; }
   string16 Decrypt(const std::string& crypt) const { return string16(); }
   void ParseSignons(const std::string& content,
                     std::vector<content::PasswordForm>* forms) {}
-  bool ReadAndParseSignons(const FilePath& sqlite_file,
+  bool ReadAndParseSignons(const base::FilePath& sqlite_file,
                            std::vector<content::PasswordForm>* forms) {
     return false;
   }