Mandoline: Rename components/view_manager to components/mus

mojo/platform_handle/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.
 
 source_set("platform_handle") {
   sources = [
     "platform_handle_private_thunks.cc",
     "platform_handle_private_thunks.h",
   ]
 
   deps = [
     "//third_party/mojo/src/mojo/public/c/system",
   ]
 
   public_deps = [
     ":defs",
   ]
 
   defines = [ "PLATFORM_HANDLE_IMPLEMENTATION" ]
 }
 
 # Only targets that are registering the thunks or get linked into the runner
 # depend upon this target. The rest should use the |platform_handle| target
 # above.
 source_set("defs") {
   visibility = [
     ":platform_handle",
-    "//components/view_manager/gles2",
+    "//components/mus/gles2",
     "//mojo/gles2",
     "//mojo/runner:native_application_support",
   ]
 
   sources = [
     "platform_handle.h",
     "platform_handle_exports.h",
     "platform_handle_functions.h",
   ]
 
   deps = [
     "//third_party/mojo/src/mojo/public/c/system",
   ]
 }