Use atk_component_get_extents in ATK 2.12 and higher.

ui/accessibility/platform/ax_platform_node_auralinux.cc

 // 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 "ui/accessibility/platform/ax_platform_node_auralinux.h"
 
 #include "base/command_line.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/task_runner.h"
 #include "ui/accessibility/ax_node_data.h"
@@ skipping 172 matching lines @@
   return atk_state_set;
 }
 
 //
 // AtkComponent interface
 //
 
 static gfx::Point FindAtkObjectParentCoords(AtkObject* atk_object) {
   if (atk_object_get_role(atk_object) == ATK_ROLE_WINDOW) {
     int x, y;
+#if ATK_CHECK_VERSION(2, 12, 0)
+    atk_component_get_extents(ATK_COMPONENT(atk_object),

[Adam Goode, 2015/05/05 01:28:18]

Just use atk_component_get_extents. It is present in the initial git commit,
April 2001. There is no need to use a versioned conditional.

+        &x, &y, nullptr, nullptr, ATK_XY_WINDOW);
+#else
     atk_component_get_position(ATK_COMPONENT(atk_object),
         &x, &y, ATK_XY_WINDOW);
+#endif
     gfx::Point window_coords(x, y);
     return window_coords;
   }
   atk_object = atk_object_get_parent(atk_object);
 
   return FindAtkObjectParentCoords(atk_object);
 }
 
 static void ax_platform_node_auralinux_get_extents(AtkComponent* atk_component,
                                                    gint* x, gint* y,
@@ skipping 293 matching lines @@
   }
 }
 
 void AXPlatformNodeAuraLinux::GetSize(gint* width, gint* height) {
   gfx::Rect rect_size = GetData().location;
   *width = rect_size.width();
   *height = rect_size.height();
 }
 
 }  // namespace ui