Moves components/mus/examples into mash

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 585 matching lines @@
 
   if (!is_ios && !is_chromecast) {
     deps += [ "//mandoline:all" ]
   }
 
   if (!is_android && !is_ios && !is_chromeos) {
     deps += [ "//components/proximity_auth:proximity_auth_unittests" ]
   }
 
   if (!is_component_build && (is_win || is_linux)) {
-    deps += [ "//components/mus/example:all" ]
+    deps += [ "//mash:all" ]
   }
 
   if (is_linux && !is_chromeos && !is_chromecast) {
     # TODO(GYP): Figure out if any of these should be in gn_all
     # and figure out how cross-platform they are
     deps += [
       ":gn_mojo_targets",
       "//blimp:blimp_tests",
       "//chrome/browser/resources:extension_resource_demo",
       "//chrome/installer/util:strings",
@@ skipping 233 matching lines @@
       if (target_cpu == "x86") {
         deps += [
           # "//content/shell:crash_service_win64", TODO(GYP): crbug.com/537009
         ]
       }
     } else {
       deps += [ "//breakpad:minidump_stackwalk($host_toolchain)" ]
     }
   }
 }