ATK accessibility support for web content on Aura Linux.

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index 5a7a42980e8b9b478a0d28bb7722622cfddf9396..57f12f3f42d32dd16befd971a9f12746b8ce3fca 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -287,6 +287,7 @@
       'browser/accessibility/accessibility_tree_formatter.cc',
       'browser/accessibility/accessibility_tree_formatter.h',
       'browser/accessibility/accessibility_tree_formatter_android.cc',
+      'browser/accessibility/accessibility_tree_formatter_auralinux.cc',
       'browser/accessibility/accessibility_tree_formatter_mac.mm',
       'browser/accessibility/accessibility_tree_formatter_utils_win.cc',
       'browser/accessibility/accessibility_tree_formatter_utils_win.h',
@@ -297,6 +298,8 @@
       'browser/accessibility/browser_accessibility.h',
       'browser/accessibility/browser_accessibility_android.cc',
       'browser/accessibility/browser_accessibility_android.h',
+      'browser/accessibility/browser_accessibility_auralinux.cc',
+      'browser/accessibility/browser_accessibility_auralinux.h',
       'browser/accessibility/browser_accessibility_cocoa.h',
       'browser/accessibility/browser_accessibility_cocoa.mm',
       'browser/accessibility/browser_accessibility_mac.h',
@@ -305,6 +308,8 @@
       'browser/accessibility/browser_accessibility_manager.h',
       'browser/accessibility/browser_accessibility_manager_android.cc',
       'browser/accessibility/browser_accessibility_manager_android.h',
+      'browser/accessibility/browser_accessibility_manager_auralinux.cc',
+      'browser/accessibility/browser_accessibility_manager_auralinux.h',
       'browser/accessibility/browser_accessibility_manager_mac.h',
       'browser/accessibility/browser_accessibility_manager_mac.mm',
       'browser/accessibility/browser_accessibility_manager_win.cc',
@@ -1864,6 +1869,19 @@
         },
       },
     }],
+    ['OS=="linux" and chromeos==0 and use_x11==1', {
+      'dependencies': [
+        '../build/linux/system.gyp:atk',
+        '../build/linux/system.gyp:gconf',
+        '../build/linux/system.gyp:glib',
+      ],
+      'variables': {
+        'clang_warning_flags': [
+          # glib uses the pre-c++11 typedef-as-static_assert hack.
+          '-Wno-unused-local-typedefs',
+        ],
+      },
+    }],
     ['OS=="linux"', {
       'dependencies': [
         '../sandbox/sandbox.gyp:libc_urandom_override',