FBTF: Clean up task.h in x11_util.h and header usage in some delegates.

chrome/browser/gtk/find_bar_gtk.cc

 // Copyright (c) 2010 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/gtk/find_bar_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/i18n/rtl.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/find_bar_controller.h"
 #include "chrome/browser/find_bar_state.h"
 #include "chrome/browser/gtk/browser_window_gtk.h"
 #include "chrome/browser/gtk/cairo_cached_surface.h"
 #include "chrome/browser/gtk/custom_button.h"
 #include "chrome/browser/gtk/gtk_floating_container.h"
 #include "chrome/browser/gtk/gtk_theme_provider.h"
 #include "chrome/browser/gtk/gtk_util.h"
 #include "chrome/browser/gtk/nine_box.h"
@@ skipping 930 matching lines @@
 
 // static
 gboolean FindBarGtk::OnFocusOut(GtkWidget* entry, GdkEventFocus* event,
                                 FindBarGtk* find_bar) {
   g_signal_handlers_disconnect_by_func(
       gdk_keymap_get_for_display(gtk_widget_get_display(entry)),
       reinterpret_cast<gpointer>(&OnKeymapDirectionChanged), find_bar);
 
   return FALSE;  // Continue propagation.
 }