Remove MOJO_SHELL_CLIENT define.

content/browser/child_process_launcher.h

Index: content/browser/child_process_launcher.h
diff --git a/content/browser/child_process_launcher.h b/content/browser/child_process_launcher.h
index 6f51a90a6d6a23dc27aabdd8db869523856c39ab..f400f6946c6232ef7d2c38caf67ee96656226bf6 100644
--- a/content/browser/child_process_launcher.h
+++ b/content/browser/child_process_launcher.h
@@ -142,15 +142,6 @@ class CONTENT_EXPORT ChildProcessLauncher : public base::NonThreadSafe {
               base::Process process,
               int error_code);
 
-#if defined(MOJO_SHELL_CLIENT)
-  // When this process is run from an external Mojo shell, this function will
-  // create a channel and pass one end to the spawned process and register the
-  // other end with the external shell, allowing the spawned process to bind an
-  // Application request from the shell.
-  void CreateMojoShellChannel(base::CommandLine* command_line,
-                              int child_process_id);
-#endif
-
   Client* client_;
   BrowserThread::ID client_thread_id_;
   base::Process process_;