Eliminate mojo::Shell client lib class

components/filesystem/file_system_app.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/filesystem/file_system_app.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "mojo/shell/public/cpp/connection.h"
-#include "mojo/shell/public/cpp/shell.h"
+#include "mojo/shell/public/cpp/connector.h"
 
 #if defined(OS_WIN)
 #include "base/base_paths_win.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #elif defined(OS_ANDROID)
 #include "base/base_paths_android.h"
 #include "base/path_service.h"
 #elif defined(OS_LINUX)
 #include "base/environment.h"
 #include "base/nix/xdg_util.h"
 #elif defined(OS_MACOSX)
 #include "base/base_paths_mac.h"
 #include "base/path_service.h"
 #endif
 
 namespace filesystem {
 
 namespace {
 
 const char kUserDataDir[] = "user-data-dir";
 
 }  // namespace filesystem
 
-FileSystemApp::FileSystemApp()
-    : shell_(nullptr), lock_table_(new LockTable) {}
+FileSystemApp::FileSystemApp() : lock_table_(new LockTable) {}
 
 FileSystemApp::~FileSystemApp() {}
 
-void FileSystemApp::Initialize(mojo::Shell* shell, const std::string& url,
+void FileSystemApp::Initialize(mojo::Connector* connector,
+                               const std::string& url,
                                uint32_t id, uint32_t user_id) {
-  shell_ = shell;
-  tracing_.Initialize(shell, url);
+  tracing_.Initialize(connector, url);
 }
 
 bool FileSystemApp::AcceptConnection(mojo::Connection* connection) {
   connection->AddInterface<FileSystem>(this);
   return true;
 }
 
 // |InterfaceFactory<Files>| implementation:
 void FileSystemApp::Create(mojo::Connection* connection,
                            mojo::InterfaceRequest<FileSystem> request) {
@@ skipping 30 matching lines @@
 #endif
   }
 
   if (!base::PathExists(path))
     base::CreateDirectory(path);
 
   return path;
 }
 
 }  // namespace filesystem