Revert of Resurrect Aura Linux accessibility.

ui/accessibility/platform/atk_util_auralinux.cc

Index: ui/accessibility/platform/atk_util_auralinux.cc
diff --git a/ui/accessibility/platform/atk_util_auralinux.cc b/ui/accessibility/platform/atk_util_auralinux.cc
deleted file mode 100644
index a15df08137d874609305f90a6bca6e5c15e5c213..0000000000000000000000000000000000000000
--- a/ui/accessibility/platform/atk_util_auralinux.cc
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2015 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 <atk/atk.h>
-#include <gconf/gconf-client.h>
-#include <glib-2.0/gmodule.h>
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/memory/singleton.h"
-#include "ui/accessibility/platform/atk_util_auralinux.h"
-#include "ui/accessibility/platform/ax_platform_node_auralinux.h"
-
-namespace {
-
-const char kGnomeAccessibilityEnabledKey[] =
-    "/desktop/gnome/interface/accessibility";
-
-bool ShouldEnableAccessibility() {
-  GConfClient* client = gconf_client_get_default();
-  if (!client) {
-    LOG(ERROR) << "gconf_client_get_default failed";
-    return false;
-  }
-
-  GError* error = nullptr;
-  gboolean value = gconf_client_get_bool(client,
-                                         kGnomeAccessibilityEnabledKey,
-                                         &error);
-  if (error) {
-    VLOG(1) << "gconf_client_get_bool failed";
-    g_error_free(error);
-    g_object_unref(client);
-    return false;
-  }
-
-  g_object_unref(client);
-  return value;
-}
-
-}  // namespace
-
-G_BEGIN_DECLS
-
-//
-// atk_util_auralinux AtkObject definition and implementation.
-//
-
-#define ATK_UTIL_AURALINUX_TYPE (atk_util_auralinux_get_type())
-#define ATK_UTIL_AURALINUX(obj) \
-    (G_TYPE_CHECK_INSTANCE_CAST((obj), \
-     ATK_UTIL_AURALINUX_TYPE, \
-     AtkUtilAuraLinux))
-#define ATK_UTIL_AURALINUX_CLASS(klass) \
-    (G_TYPE_CHECK_CLASS_CAST((klass), \
-                             ATK_UTIL_AURALINUX_TYPE, \
-                             AtkUtilAuraLinuxClass))
-#define IS_ATK_UTIL_AURALINUX(obj) \
-    (G_TYPE_CHECK_INSTANCE_TYPE((obj), ATK_UTIL_AURALINUX_TYPE))
-#define IS_ATK_UTIL_AURALINUX_CLASS(klass) \
-    (G_TYPE_CHECK_CLASS_TYPE((klass), ATK_UTIL_AURALINUX_TYPE))
-#define ATK_UTIL_AURALINUX_GET_CLASS(obj) \
-    (G_TYPE_INSTANCE_GET_CLASS((obj), \
-                               ATK_UTIL_AURALINUX_TYPE, \
-                               AtkUtilAuraLinuxClass))
-
-typedef struct _AtkUtilAuraLinux        AtkUtilAuraLinux;
-typedef struct _AtkUtilAuraLinuxClass   AtkUtilAuraLinuxClass;
-
-struct _AtkUtilAuraLinux
-{
-  AtkUtil parent;
-};
-
-struct _AtkUtilAuraLinuxClass
-{
-  AtkUtilClass parent_class;
-};
-
-GType atk_util_auralinux_get_type();
-
-G_DEFINE_TYPE(AtkUtilAuraLinux, atk_util_auralinux, ATK_TYPE_UTIL);
-
-static void atk_util_auralinux_init(AtkUtilAuraLinux *ax_util) {
-}
-
-static AtkObject* atk_util_auralinux_get_root() {
-  ui::AXPlatformNode* application = ui::AXPlatformNodeAuraLinux::application();
-  if (application) {
-    return application->GetNativeViewAccessible();
-  }
-  return nullptr;
-}
-
-static G_CONST_RETURN gchar* atk_util_auralinux_get_toolkit_name(void) {
-  return "Chromium";
-}
-
-static G_CONST_RETURN gchar* atk_util_auralinux_get_toolkit_version(void) {
-  return "1.0";
-}
-
-static void atk_util_auralinux_class_init(AtkUtilAuraLinuxClass *klass) {
-  AtkUtilClass *atk_class;
-  gpointer data;
-
-  data = g_type_class_peek(ATK_TYPE_UTIL);
-  atk_class = ATK_UTIL_CLASS(data);
-
-  atk_class->get_root = atk_util_auralinux_get_root;
-  atk_class->get_toolkit_name = atk_util_auralinux_get_toolkit_name;
-  atk_class->get_toolkit_version = atk_util_auralinux_get_toolkit_version;
-}
-
-G_END_DECLS
-
-//
-// AtkUtilAuraLinuxClass implementation.
-//
-
-namespace ui {
-
-// static
-AtkUtilAuraLinux* AtkUtilAuraLinux::GetInstance() {
-  return Singleton<AtkUtilAuraLinux>::get();
-}
-
-AtkUtilAuraLinux::AtkUtilAuraLinux() {
-  // Register our util class.
-  g_type_class_unref(g_type_class_ref(ATK_UTIL_AURALINUX_TYPE));
-
-  if (!ShouldEnableAccessibility()) {
-    VLOG(1) << "Will not enable ATK accessibility support.";
-    return;
-  }
-
-  VLOG(1) << "Enabling ATK accessibility support.";
-
-  // Try to load libatk-bridge.so.
-  base::FilePath atk_bridge_path(ATK_LIB_DIR);
-  atk_bridge_path = atk_bridge_path.Append("gtk-2.0/modules/libatk-bridge.so");
-  GModule* bridge = g_module_open(atk_bridge_path.value().c_str(),
-                                  static_cast<GModuleFlags>(0));
-  if (!bridge) {
-    VLOG(1) << "Unable to open module " << atk_bridge_path.value();
-    return;
-  }
-
-  // Try to call gnome_accessibility_module_init from libatk-bridge.so.
-  void (*gnome_accessibility_module_init)();
-  if (g_module_symbol(bridge, "gnome_accessibility_module_init",
-                      (gpointer *)&gnome_accessibility_module_init)) {
-    (*gnome_accessibility_module_init)();
-  }
-}
-
-AtkUtilAuraLinux::~AtkUtilAuraLinux() {
-}
-
-}  // namespace ui