Revert of mandoline filesystem: Save cookie data to the mojo:filesystem.

components/filesystem/file_system_impl.h

Index: components/filesystem/file_system_impl.h
diff --git a/components/filesystem/file_system_impl.h b/components/filesystem/file_system_impl.h
index d3b51715865fcc01d4d4fe59d2b8b638f82bb094..90ea77d799ffd14ceeb0adaf9f11125f4a7bbcfc 100644
--- a/components/filesystem/file_system_impl.h
+++ b/components/filesystem/file_system_impl.h
@@ -9,10 +9,6 @@
 #include "components/filesystem/public/interfaces/file_system.mojom.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
-
-namespace base {
-class FilePath;
-}
 
 namespace mojo {
 class ApplicationConnection;
@@ -27,25 +23,14 @@
   ~FileSystemImpl() override;
 
   // |Files| implementation:
-
-  // Current valid values for |file_system| are "temp" for a temporary
-  // filesystem and "origin" for a persistent filesystem bound to the origin of
-  // the URL of the caller.
+  // We provide a "private" temporary file system as the default. In Debug
+  // builds, we also provide access to a common file system named "debug"
+  // (stored under ~/MojoDebug).
   void OpenFileSystem(const mojo::String& file_system,
                       mojo::InterfaceRequest<Directory> directory,
                       const OpenFileSystemCallback& callback) override;
 
  private:
-  // Gets the system specific toplevel profile directory.
-  base::FilePath GetSystemProfileDir() const;
-
-  // Takes the origin string from |remote_application_url_|.
-  std::string GetOriginFromRemoteApplicationURL() const;
-
-  // Sanitizes |origin| so it is an acceptable filesystem name.
-  void BuildSanitizedOrigin(const std::string& origin,
-                            std::string* sanitized_origin);
-
   const std::string remote_application_url_;
   mojo::StrongBinding<FileSystem> binding_;