Moves mash/wm into ash/mus

ash/mus/app_launch_unittest.cc

 // Copyright 2016 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "components/mus/public/interfaces/window_server_test.mojom.h"
 #include "services/shell/public/cpp/shell_test.h"
 
-namespace mash {
-namespace wm {
+namespace ash {
+namespace mus {
 
 void RunCallback(bool* success, const base::Closure& callback, bool result) {
   *success = result;
   callback.Run();
 }
 
 class AppLaunchTest : public shell::test::ShellTest {
  public:
   AppLaunchTest() : ShellTest("exe:mash_unittests") {}
   ~AppLaunchTest() override {}
 
  private:
   void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch("use-test-config");
     ShellTest::SetUp();
   }
 
   DISALLOW_COPY_AND_ASSIGN(AppLaunchTest);
 };
 
 TEST_F(AppLaunchTest, TestQuickLaunch) {
   connector()->Connect("mojo:desktop_wm");
   connector()->Connect("mojo:quick_launch");
 
-  mus::mojom::WindowServerTestPtr test_interface;
+  ::mus::mojom::WindowServerTestPtr test_interface;
   connector()->ConnectToInterface("mojo:mus", &test_interface);
 
   base::RunLoop run_loop;
   bool success = false;
   test_interface->EnsureClientHasDrawnWindow(
       "mojo:quick_launch",
       base::Bind(&RunCallback, &success, run_loop.QuitClosure()));
   run_loop.Run();
   EXPECT_TRUE(success);
 }
 
-}  // namespace wm
-}  // namespace mash
+}  // namespace mus
+}  // namespace ash