A11y: Add/refactor methods for manipulating bitfields on AXNodeData.

ui/accessibility/platform/ax_platform_node_auralinux.cc

Index: ui/accessibility/platform/ax_platform_node_auralinux.cc
diff --git a/ui/accessibility/platform/ax_platform_node_auralinux.cc b/ui/accessibility/platform/ax_platform_node_auralinux.cc
index 4a85863c714950168cafb0947003eb0e01c00112..3c1dfdc929ea986d012fabbb77da7e739301796f 100644
--- a/ui/accessibility/platform/ax_platform_node_auralinux.cc
+++ b/ui/accessibility/platform/ax_platform_node_auralinux.cc
@@ -461,23 +461,21 @@ AtkRole AXPlatformNodeAuraLinux::GetAtkRole() {
 }
 
 void AXPlatformNodeAuraLinux::GetAtkState(AtkStateSet* atk_state_set) {
-  const uint32_t state = GetData().state;
-
-  if (state & (1 << ui::AX_STATE_DEFAULT))
+  if (GetData().HasState(ui::AX_STATE_DEFAULT))

[tapted, 2017/05/05 05:53:36]

Cache GetData() to a local var?

[Patti Lor, 2017/05/08 00:28:08]

Done.

     atk_state_set_add_state(atk_state_set, ATK_STATE_DEFAULT);
-  if (state & (1 << ui::AX_STATE_EDITABLE))
+  if (GetData().HasState(ui::AX_STATE_EDITABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_EDITABLE);
-  if (!(state & (1 << ui::AX_STATE_DISABLED)))
+  if (!GetData().HasState(ui::AX_STATE_DISABLED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_ENABLED);
-  if (state & (1 << ui::AX_STATE_EXPANDED))
+  if (GetData().HasState(ui::AX_STATE_EXPANDED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_EXPANDED);
-  if (state & (1 << ui::AX_STATE_FOCUSABLE))
+  if (GetData().HasState(ui::AX_STATE_FOCUSABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_FOCUSABLE);
-  if (state & (1 << ui::AX_STATE_PRESSED))
+  if (GetData().HasState(ui::AX_STATE_PRESSED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_PRESSED);
-  if (state & (1 << ui::AX_STATE_SELECTABLE))
+  if (GetData().HasState(ui::AX_STATE_SELECTABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_SELECTABLE);
-  if (state & (1 << ui::AX_STATE_SELECTED))
+  if (GetData().HasState(ui::AX_STATE_SELECTED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_SELECTED);
 
   // Checked state