[linux/aura] Supports IBus in async mode.

chrome/browser/ui/libgtk2ui/gtk2_ui.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/ui/libgtk2ui/gtk2_ui.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
 #include "base/environment.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/nix/mime_util_xdg.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/libgtk2ui/app_indicator_icon.h"
 #include "chrome/browser/ui/libgtk2ui/chrome_gtk_frame.h"
 #include "chrome/browser/ui/libgtk2ui/gtk2_border.h"
+#include "chrome/browser/ui/libgtk2ui/gtk2_event_loop.h"
 #include "chrome/browser/ui/libgtk2ui/gtk2_key_bindings_handler.h"
 #include "chrome/browser/ui/libgtk2ui/gtk2_signal_registrar.h"
 #include "chrome/browser/ui/libgtk2ui/gtk2_util.h"
 #include "chrome/browser/ui/libgtk2ui/native_theme_gtk2.h"
 #include "chrome/browser/ui/libgtk2ui/print_dialog_gtk2.h"
 #include "chrome/browser/ui/libgtk2ui/printing_gtk2_util.h"
 #include "chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h"
 #include "chrome/browser/ui/libgtk2ui/skia_utils_gtk2.h"
 #include "chrome/browser/ui/libgtk2ui/unity_service.h"
 #include "chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h"
@@ skipping 315 matching lines @@
       &PrintDialogGtk2::CreatePrintDialog);
   printing::PrintingContextLinux::SetPdfPaperSizeFunction(
       &GetPdfPaperSizeDeviceUnitsGtk);
 
 #if defined(USE_GCONF)
   // We must build this after GTK gets initialized.
   titlebar_listener_.reset(new GConfTitlebarListener(this));
 #endif  // defined(USE_GCONF)
 
   indicators_count = 0;
+
+  // Instantiate the singleton instance of Gtk2EventLoop.
+  Gtk2EventLoop::GetInstance();
 }
 
 Gtk2UI::~Gtk2UI() {
   gtk_widget_destroy(fake_window_);
   gtk_widget_destroy(fake_frame_);
   fake_label_.Destroy();
   fake_entry_.Destroy();
 
   ClearAllThemeData();
 }
@@ skipping 1011 matching lines @@
 
   FOR_EACH_OBSERVER(views::NativeThemeChangeObserver, theme_change_observers_,
                     OnNativeThemeChanged());
 }
 
 }  // namespace libgtk2ui
 
 views::LinuxUI* BuildGtk2UI() {
   return new libgtk2ui::Gtk2UI;
 }