Add Reset() to IBusController.

chrome/browser/chromeos/input_method/ibus_controller_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/input_method/ibus_controller_impl.h"
 
 #include <algorithm>  // for std::reverse.
 #include <cstdio>
 #include <cstring>  // for std::strcmp.
 #include <set>
@@ skipping 393 matching lines @@
 }
 
 bool IBusControllerImpl::Start() {
   MaybeInitializeIBusBus();
   should_launch_daemon_ = true;
   if (IBusConnectionsAreAlive())
     return true;
   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*.
     ibus_bus_exit_async(ibus_,
                         FALSE  /* do not restart */,
                         -1  /* timeout */,
                         NULL  /* cancellable */,
                         NULL  /* callback */,
                         NULL  /* user_data */);
     if (ibus_config_) {
@@ skipping 544 matching lines @@
 
 // static
 bool IBusControllerImpl::FindAndUpdatePropertyForTesting(
     const chromeos::input_method::InputMethodProperty& new_prop,
     chromeos::input_method::InputMethodPropertyList* prop_list) {
   return FindAndUpdateProperty(new_prop, prop_list);
 }
 
 }  // namespace input_method
 }  // namespace chromeos