Introducing remoting::Stoppable helper base class implementing asynchronous shutdown on a specific t

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index 70f98184ac7bdebe9a5bdb7d222cc375b8d597dd..bfd57da464eaf9a90180924fada1e9f8e688eda6 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -584,6 +584,7 @@
             '../base/base.gyp:base_static',
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
             '../ipc/ipc.gyp:ipc',
+            'remoting_base',
             'remoting_breakpad',
             'remoting_version_resources',
           ],
@@ -1165,6 +1166,8 @@
         'base/rate_counter.h',
         'base/running_average.cc',
         'base/running_average.h',
+        'base/stoppable.cc',
+        'base/stoppable.h',
         'base/util.cc',
         'base/util.h',
       ],