mash: Rename browser_driver to app_driver.

mash/app_driver/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
 
 source_set("lib") {
   sources = [
-    "browser_driver_application_delegate.cc",
-    "browser_driver_application_delegate.h",
+    "app_driver.cc",
+    "app_driver.h",
   ]
 
   deps = [
     "//base",
     "//components/mus/common:mus_common",
     "//components/mus/public/interfaces",
     "//mash/public/interfaces",
     "//services/catalog/public/interfaces",
     "//services/shell/public/cpp:sources",
   ]
 
   data_deps = [
     "//components/mus",
   ]
 }
 
-mojo_native_application("browser_driver") {
+mojo_native_application("app_driver") {
   sources = [
     "main.cc",
   ]
 
   deps = [
     ":lib",
     "//base",
     "//mojo/public/cpp/bindings",
     "//services/shell/public/cpp",
     "//services/shell/public/cpp:sources",
   ]
 
   data_deps = [
     ":manifest",
   ]
 }
 
 mojo_application_manifest("manifest") {
-  application_name = "browser_driver"
+  application_name = "app_driver"
   source = "manifest.json"
 }