Add Reset() to IBusController.

chrome/browser/chromeos/input_method/ibus_controller_impl.cc

Index: chrome/browser/chromeos/input_method/ibus_controller_impl.cc
diff --git a/chrome/browser/chromeos/input_method/ibus_controller_impl.cc b/chrome/browser/chromeos/input_method/ibus_controller_impl.cc
index 37044f572f39a88c1f0bca45b5ac7414d20a9655..10a354a9e7c5bb725a9d1c61288aaa4b0ce4fbb1 100644
--- a/chrome/browser/chromeos/input_method/ibus_controller_impl.cc
+++ b/chrome/browser/chromeos/input_method/ibus_controller_impl.cc
@@ -411,6 +411,16 @@ bool IBusControllerImpl::Start() {
   return MaybeLaunchIBusDaemon();
 }
 
+void IBusControllerImpl::Reset() {
+  if (!IBusConnectionsAreAlive())
+    return;
+  IBusInputContext* context =
+      GetInputContext(current_input_context_path_, ibus_);
+  if (!context)
+    return;
+  ibus_input_context_reset(context);
+}
+
 bool IBusControllerImpl::Stop() {
   if (IBusConnectionsAreAlive()) {
     // Ask IBus to exit *asynchronously*.