Add FilePath to base namespace.

webkit/appcache/appcache_storage_impl.h

Index: webkit/appcache/appcache_storage_impl.h
diff --git a/webkit/appcache/appcache_storage_impl.h b/webkit/appcache/appcache_storage_impl.h
index 7441f4ff6a4158cf247673dd6732be6758d1c59a..4211e62cc19d8de736e270b247e64a71ceb03bf0 100644
--- a/webkit/appcache/appcache_storage_impl.h
+++ b/webkit/appcache/appcache_storage_impl.h
@@ -31,7 +31,7 @@ class AppCacheStorageImpl : public AppCacheStorage {
   explicit AppCacheStorageImpl(AppCacheService* service);
   virtual ~AppCacheStorageImpl();
 
-  void Initialize(const FilePath& cache_directory,
+  void Initialize(const base::FilePath& cache_directory,
                   base::MessageLoopProxy* db_thread,
                   base::MessageLoopProxy* cache_thread);
   void Disable();
@@ -134,7 +134,7 @@ class AppCacheStorageImpl : public AppCacheStorage {
   WEBKIT_STORAGE_EXPORT AppCacheDiskCache* disk_cache();
 
   // The directory in which we place files in the file system.
-  FilePath cache_directory_;
+  base::FilePath cache_directory_;
   bool is_incognito_;
 
   // This class operates primarily on the IO thread, but schedules