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..c5d5a48774efe74b5c5fbc82dbe6544281de5312 100644
--- a/webkit/fileapi/external_mount_points.h
+++ b/webkit/fileapi/external_mount_points.h
@@ -105,7 +105,7 @@ 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;
@@ -125,6 +125,10 @@ class WEBKIT_STORAGE_EXPORT ExternalMountPoints
   ExternalMountPoints();
   virtual ~ExternalMountPoints();
 
+  // MountPoint overrides.
+  virtual FileSystemURL CrackFileSystemURL(
+      const FileSystemURL& url) const OVERRIDE;
+
   // Performs sanity checks on the new mount point.
   // Checks the following:
   //  - there is no registered mount point with mount_name