Use token-based initialisation for the utility process MojoApplication.

content/public/common/mojo_channel_switches.cc

Index: content/public/common/mojo_channel_switches.cc
diff --git a/content/public/common/mojo_channel_switches.cc b/content/public/common/mojo_channel_switches.cc
index f649eb8a324594c98537febd6f9884d5d725d096..d2fdb5bab6632cfd11b9550b3c2372d4d01490b1 100644
--- a/content/public/common/mojo_channel_switches.cc
+++ b/content/public/common/mojo_channel_switches.cc
@@ -17,6 +17,9 @@ const char kEnableMojoChannel[] = "enable-mojo-channel";
 // The token to use to construct the message pipe on which to layer ChannelMojo.
 const char kMojoChannelToken[] = "mojo-channel-token";
 
+// The token to use to construct the message pipe for MojoApplication.
+const char kMojoApplicationChannelToken[] = "mojo-application-channel-token";
+
 }  // namespace switches
 
 namespace {