Revert of Fall back to X11 system tray icons if libappindicator is not available

chrome/browser/ui/libgtk2ui/app_indicator_icon_menu.cc

-// Copyright 2014 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/app_indicator_icon_menu.h"
-
-#include <gtk/gtk.h>
-
-#include "base/bind.h"
-#include "chrome/browser/ui/libgtk2ui/menu_util.h"
-#include "ui/base/models/menu_model.h"
-
-namespace libgtk2ui {
-
-AppIndicatorIconMenu::AppIndicatorIconMenu(ui::MenuModel* model)
-    : menu_model_(model),
-      click_action_replacement_menu_item_added_(false),
-      gtk_menu_(gtk_menu_new()),
-      block_activation_(false) {
-  if (menu_model_) {
-    BuildSubmenuFromModel(menu_model_,
-                          gtk_menu_,
-                          G_CALLBACK(OnMenuItemActivatedThunk),
-                          &block_activation_,
-                          this);
-    Refresh();
-  }
-}
-
-AppIndicatorIconMenu::~AppIndicatorIconMenu() {
-  gtk_widget_destroy(gtk_menu_);
-}
-
-void AppIndicatorIconMenu::UpdateClickActionReplacementMenuItem(
-    const char* label,
-    const base::Closure& callback) {
-  click_action_replacement_callback_ = callback;
-
-  if (click_action_replacement_menu_item_added_) {
-    GList* children = gtk_container_get_children(GTK_CONTAINER(gtk_menu_));
-    for (GList* child = children; child; child = g_list_next(child)) {
-      if (g_object_get_data(G_OBJECT(child->data), "click-action-item") !=
-          NULL) {
-        gtk_menu_item_set_label(GTK_MENU_ITEM(child->data), label);
-        break;
-      }
-    }
-    g_list_free(children);
-  } else {
-    click_action_replacement_menu_item_added_ = true;
-
-    // If |menu_model_| is non empty, add a separator to separate the
-    // "click action replacement menu item" from the other menu items.
-    if (menu_model_ && menu_model_->GetItemCount() > 0) {
-      GtkWidget* menu_item = gtk_separator_menu_item_new();
-      gtk_widget_show(menu_item);
-      gtk_menu_shell_prepend(GTK_MENU_SHELL(gtk_menu_), menu_item);
-    }
-
-    GtkWidget* menu_item = gtk_menu_item_new_with_mnemonic(label);
-    g_object_set_data(
-        G_OBJECT(menu_item), "click-action-item", GINT_TO_POINTER(1));
-    g_signal_connect(menu_item,
-                     "activate",
-                     G_CALLBACK(OnClickActionReplacementMenuItemActivatedThunk),
-                     this);
-    gtk_widget_show(menu_item);
-    gtk_menu_shell_prepend(GTK_MENU_SHELL(gtk_menu_), menu_item);
-  }
-}
-
-void AppIndicatorIconMenu::Refresh() {
-  gtk_container_foreach(
-      GTK_CONTAINER(gtk_menu_), SetMenuItemInfo, &block_activation_);
-}
-
-GtkMenu* AppIndicatorIconMenu::GetGtkMenu() {
-  return GTK_MENU(gtk_menu_);
-}
-
-
-void AppIndicatorIconMenu::OnClickActionReplacementMenuItemActivated(
-    GtkWidget* menu_item) {
-  click_action_replacement_callback_.Run();
-}
-
-void AppIndicatorIconMenu::OnMenuItemActivated(GtkWidget* menu_item) {
-  if (block_activation_)
-    return;
-
-  ui::MenuModel* model = ModelForMenuItem(GTK_MENU_ITEM(menu_item));
-  if (!model) {
-    // There won't be a model for "native" submenus like the "Input Methods"
-    // context menu. We don't need to handle activation messages for submenus
-    // anyway, so we can just return here.
-    DCHECK(gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item)));
-    return;
-  }
-
-  // The activate signal is sent to radio items as they get deselected;
-  // ignore it in this case.
-  if (GTK_IS_RADIO_MENU_ITEM(menu_item) &&
-      !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menu_item))) {
-    return;
-  }
-
-  int id;
-  if (!GetMenuItemID(menu_item, &id))
-    return;
-
-  // The menu item can still be activated by hotkeys even if it is disabled.
-  if (menu_model_->IsEnabledAt(id))
-    ExecuteCommand(model, id);
-}
-
-}  // namespace libgtk2ui