Add FilePath to base namespace.

webkit/fileapi/async_file_util.h

Index: webkit/fileapi/async_file_util.h
diff --git a/webkit/fileapi/async_file_util.h b/webkit/fileapi/async_file_util.h
index 651d0a518f4d5ea59313c7c7bb2b0fda2b33493c..d00dc8245177ce01b0bc820851ff373d0bc9003a 100644
--- a/webkit/fileapi/async_file_util.h
+++ b/webkit/fileapi/async_file_util.h
@@ -42,7 +42,7 @@ class WEBKIT_STORAGE_EXPORT AsyncFileUtil {
   typedef base::Callback<
       void(base::PlatformFileError result,
            const base::PlatformFileInfo& file_info,
-           const FilePath& platform_path)> GetFileInfoCallback;
+           const base::FilePath& platform_path)> GetFileInfoCallback;
 
   typedef base::FileUtilProxy::Entry Entry;
   typedef std::vector<base::FileUtilProxy::Entry> EntryList;
@@ -54,7 +54,7 @@ class WEBKIT_STORAGE_EXPORT AsyncFileUtil {
   typedef base::Callback<
       void(base::PlatformFileError result,
            const base::PlatformFileInfo& file_info,
-           const FilePath& platform_path,
+           const base::FilePath& platform_path,
            SnapshotFilePolicy policy)> CreateSnapshotFileCallback;
 
   AsyncFileUtil() {}
@@ -243,7 +243,7 @@ class WEBKIT_STORAGE_EXPORT AsyncFileUtil {
   //
   virtual bool CopyInForeignFile(
         FileSystemOperationContext* context,
-        const FilePath& src_file_path,
+        const base::FilePath& src_file_path,
         const FileSystemURL& dest_url,
         const StatusCallback& callback) = 0;