Launch packaged app with files on Drive on Chrome OS.

webkit/fileapi/external_mount_points.h

Index: webkit/fileapi/external_mount_points.h
diff --git a/webkit/fileapi/external_mount_points.h b/webkit/fileapi/external_mount_points.h
index a2660c24536d118b643e29f8baadc9fadeb786fb..2a239fe59572cfbdcef18d81e8c2c8b5d9e67554 100644
--- a/webkit/fileapi/external_mount_points.h
+++ b/webkit/fileapi/external_mount_points.h
@@ -81,6 +81,8 @@ class WEBKIT_STORAGE_EXPORT ExternalMountPoints
                                 FileSystemType* type,
                                 base::FilePath* path) const OVERRIDE;
   virtual FileSystemURL CrackURL(const GURL& url) const OVERRIDE;
+  virtual FileSystemURL CrackFileSystemURL(
+      const FileSystemURL& url) const OVERRIDE;
   virtual FileSystemURL CreateCrackedFileSystemURL(
       const GURL& origin,
       FileSystemType type,
@@ -105,7 +107,7 @@ class WEBKIT_STORAGE_EXPORT ExternalMountPoints
   //
   // Returned virtual_path will have normalized path separators.
   bool GetVirtualPath(const base::FilePath& absolute_path,
-                      base::FilePath* virtual_path);
+                      base::FilePath* virtual_path) const;
 
   // Returns the virtual root path that looks like /<mount_name>.
   base::FilePath CreateVirtualRootPath(const std::string& mount_name) const;