Add FilePath to base namespace.

content/browser/download/file_metadata_mac.h

Index: content/browser/download/file_metadata_mac.h
diff --git a/content/browser/download/file_metadata_mac.h b/content/browser/download/file_metadata_mac.h
index 7d63a3c58392f451c26e7f1ada3ba6844b1d819a..19a3f07ff62a842c0550c45b450d741033b8f9e1 100644
--- a/content/browser/download/file_metadata_mac.h
+++ b/content/browser/download/file_metadata_mac.h
@@ -5,22 +5,25 @@
 #ifndef CONTENT_BROWSER_DOWNLOAD_FILE_METADATA_MAC_H_
 #define CONTENT_BROWSER_DOWNLOAD_FILE_METADATA_MAC_H_
 
-class FilePath;
 class GURL;
 
+namespace base {
+class FilePath;
+}
+
 namespace content {
 
 // Adds origin metadata to the file.
 // |source| should be the source URL for the download, and |referrer| should be
 // the URL the user initiated the download from.
-void AddOriginMetadataToFile(const FilePath& file, const GURL& source,
+void AddOriginMetadataToFile(const base::FilePath& file, const GURL& source,
                              const GURL& referrer);
 
 // Adds quarantine metadata to the file, assuming it has already been
 // quarantined by the OS.
 // |source| should be the source URL for the download, and |referrer| should be
 // the URL the user initiated the download from.
-void AddQuarantineMetadataToFile(const FilePath& file, const GURL& source,
+void AddQuarantineMetadataToFile(const base::FilePath& file, const GURL& source,
                                  const GURL& referrer);
 
 }  // namespace content