[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_system_provider/mount_path_util.h

Index: chrome/browser/chromeos/file_system_provider/mount_path_util.h
diff --git a/chrome/browser/chromeos/file_system_provider/mount_path_util.h b/chrome/browser/chromeos/file_system_provider/mount_path_util.h
index 77a1759a167868771c229d80adc6523ba718f882..186e1409e351e2353bc9601d81ca451e69775916 100644
--- a/chrome/browser/chromeos/file_system_provider/mount_path_util.h
+++ b/chrome/browser/chromeos/file_system_provider/mount_path_util.h
@@ -23,7 +23,10 @@ namespace util {
 base::FilePath GetMountPath(Profile* profile,
                             const std::string& extension_id,
                             const std::string& file_system_id);
-
+// Constructs a safe mount point path for the plugin provided file system.
+base::FilePath GetPluginMountPath(Profile* profile,
+                                  const std::string& source_id,
+                                  const std::string& file_system_id);
 // Checks whether a local path is handled by File System Provider API or not.
 bool IsFileSystemProviderLocalPath(const base::FilePath& local_path);
 
@@ -43,6 +46,8 @@ class FileSystemURLParser {
   const base::FilePath& file_path() const { return file_path_; }
 
  private:
+  bool ParseExtensionProvided();
+  bool ParsePluginProvided();
   storage::FileSystemURL url_;
   ProvidedFileSystemInterface* file_system_;
   base::FilePath file_path_;