Bootstrap Mojo IPC independent of Chrome IPC

mojo/shell/runner/child/runner_connection.h

Index: mojo/shell/runner/child/runner_connection.h
diff --git a/mojo/shell/runner/child/runner_connection.h b/mojo/shell/runner/child/runner_connection.h
index 488b9968623dd2eafc9dff80d0135d48e5ab7188..919a81bd9b0aa549edc6fc839b772796889fc586 100644
--- a/mojo/shell/runner/child/runner_connection.h
+++ b/mojo/shell/runner/child/runner_connection.h
@@ -23,9 +23,17 @@ class RunnerConnection {
   // |request|.
   // If a connection to the runner cannot be established, |request| will not be
   // modified and this function will return null.
+  //
+  // If |exit_on_error| is true, the calling process will be terminated in the
+  // event of an error on |handle|.
+  //
+  // TODO(rockot): Remove this flag when it's safe for all clients to be
+  // terminated on such errors. For now, e.g., we don't want this killing
+  // content child processes.
   static RunnerConnection* ConnectToRunner(
       InterfaceRequest<mojom::ShellClient>* request,
-      ScopedMessagePipeHandle handle);
+      ScopedMessagePipeHandle handle,
+      bool exit_on_error = true);
 
  protected:
   RunnerConnection();