mash: Rename browser_driver to app_driver.

mash/app_driver/main.cc

Index: mash/app_driver/main.cc
diff --git a/mash/browser_driver/main.cc b/mash/app_driver/main.cc
similarity index 73%
rename from mash/browser_driver/main.cc
rename to mash/app_driver/main.cc
index 53244a78d935d55da6cefdbd41f10bc8b07db916..3d313fdc692f6185655cbeb67dd719659b079d60 100644
--- a/mash/browser_driver/main.cc
+++ b/mash/app_driver/main.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mash/browser_driver/browser_driver_application_delegate.h"
+#include "mash/app_driver/app_driver_application_delegate.h"
 #include "mojo/public/c/system/main.h"
 #include "services/shell/public/cpp/application_runner.h"
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   shell::ApplicationRunner runner(
-      new mash::browser_driver::BrowserDriverApplicationDelegate);
+      new mash::app_driver::AppDriverApplicationDelegate);
   return runner.Run(shell_handle);
 }