ATK accessibility support for web content on Aura Linux.

content/browser/BUILD.gn

 # 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
@@ skipping 261 matching lines @@
       "//ppapi/shared_impl",
     ]
     if (!use_ozone || use_pango) {
       sources -= [ "renderer_host/pepper/pepper_truetype_font_list_ozone.cc" ]
     }
     if (!use_pango) {
       sources -= [ "renderer_host/pepper/pepper_truetype_font_list_pango.cc" ]
     }
   }
 
+  if (use_aura && !is_chromeos && is_linux && use_x11) {
+    sources += [
+      "accessibility/accessibility_tree_formatter_auralinux.cc",
+      "accessibility/browser_accessibility_auralinux.cc",
+      "accessibility/browser_accessibility_auralinux.h",
+      "accessibility/browser_accessibility_manager_auralinux.cc",
+      "accessibility/browser_accessibility_manager_auralinux.h",
+    ]
+
+    configs += [
+      "//build/config/linux:atk",
+      "//build/config/linux:atk_warnings",
+      "//build/config/linux:gconf",
+      "//build/config/linux:glib",
+    ]
+  }
+
   if (is_linux && use_aura) {
     configs += [ "//build/config/linux:fontconfig" ]
   }
 
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
     deps += [ "//ui/gfx/x" ]
   }
 
   # Dealing with power_save_blocker_{x11,ozone}.cc is a little complicated
@@ skipping 192 matching lines @@
   if (enable_webvr) {
     sources += [
       "vr/vr_device.cc",
       "vr/vr_device.h",
       "vr/vr_device_manager.cc",
       "vr/vr_device_manager.h",
       "vr/vr_device_provider.h",
     ]
   }
 }