Eliminate Quit() from Shell, and roll Shell & Connector together.

mojo/shell/runner/host/in_process_native_runner.cc

Index: mojo/shell/runner/host/in_process_native_runner.cc
diff --git a/mojo/shell/runner/host/in_process_native_runner.cc b/mojo/shell/runner/host/in_process_native_runner.cc
index 9dd19d0edf39217553530cc669c031872b577919..89c2352a2d9c4e6fd0f39134b0271bc07cfb81c4 100644
--- a/mojo/shell/runner/host/in_process_native_runner.cc
+++ b/mojo/shell/runner/host/in_process_native_runner.cc
@@ -50,7 +50,8 @@ void InProcessNativeRunner::Start(
       FROM_HERE, app_completed_callback);
 
   DCHECK(!thread_);
-  thread_.reset(new base::DelegateSimpleThread(this, "app_thread"));
+  std::string thread_name = "mojo:app_thread";
+  thread_.reset(new base::DelegateSimpleThread(this, thread_name));
   thread_->Start();
   pid_available_callback.Run(base::kNullProcessId);
 }