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

ui/accessibility/ax_node_position_unittest.cc

Index: ui/accessibility/ax_node_position_unittest.cc
diff --git a/ui/accessibility/ax_node_position_unittest.cc b/ui/accessibility/ax_node_position_unittest.cc
index 7b720acad849b347a433243e239d8385b49be6bb..277c9997a7ad73196d0a5fc16d646e8cb29c043b 100644
--- a/ui/accessibility/ax_node_position_unittest.cc
+++ b/ui/accessibility/ax_node_position_unittest.cc
@@ -116,12 +116,12 @@ void AXPositionTest::SetUp() {
   inline_box2_.id = INLINE_BOX2_ID;
 
   root_.role = AX_ROLE_DIALOG;
-  root_.state = 1 << AX_STATE_FOCUSABLE;
+  root_.AddState(AX_STATE_FOCUSABLE);
   root_.SetName(std::string("ButtonCheck box") + TEXT_VALUE);
   root_.location = gfx::RectF(0, 0, 800, 600);
 
   button_.role = AX_ROLE_BUTTON;
-  button_.state = 1 << AX_STATE_HASPOPUP;
+  button_.AddState(AX_STATE_HASPOPUP);
   button_.SetName("Button");
   button_.location = gfx::RectF(20, 20, 200, 30);
   button_.AddIntListAttribute(AX_ATTR_WORD_STARTS, std::vector<int32_t>{0});
@@ -141,7 +141,7 @@ void AXPositionTest::SetUp() {
   root_.child_ids.push_back(check_box_.id);
 
   text_field_.role = AX_ROLE_TEXT_FIELD;
-  text_field_.state = 1 << AX_STATE_EDITABLE;
+  text_field_.AddState(AX_STATE_EDITABLE);
   text_field_.SetValue(TEXT_VALUE);
   text_field_.AddIntListAttribute(AX_ATTR_CACHED_LINE_STARTS,
                                   std::vector<int32_t>{0, 7});
@@ -151,13 +151,13 @@ void AXPositionTest::SetUp() {
   root_.child_ids.push_back(text_field_.id);
 
   static_text1_.role = AX_ROLE_STATIC_TEXT;
-  static_text1_.state = 1 << AX_STATE_EDITABLE;
+  static_text1_.AddState(AX_STATE_EDITABLE);
   static_text1_.SetName("Line 1");
   static_text1_.AddIntAttribute(AX_ATTR_NEXT_ON_LINE_ID, line_break_.id);
   static_text1_.child_ids.push_back(inline_box1_.id);
 
   inline_box1_.role = AX_ROLE_INLINE_TEXT_BOX;
-  inline_box1_.state = 1 << AX_STATE_EDITABLE;
+  inline_box1_.AddState(AX_STATE_EDITABLE);
   inline_box1_.SetName("Line 1");
   inline_box1_.AddIntListAttribute(AX_ATTR_WORD_STARTS,
                                    std::vector<int32_t>{0, 5});
@@ -166,17 +166,17 @@ void AXPositionTest::SetUp() {
   inline_box1_.AddIntAttribute(AX_ATTR_NEXT_ON_LINE_ID, line_break_.id);
 
   line_break_.role = AX_ROLE_LINE_BREAK;
-  line_break_.state = 1 << AX_STATE_EDITABLE;
+  line_break_.AddState(AX_STATE_EDITABLE);
   line_break_.SetName("\n");
   line_break_.AddIntAttribute(AX_ATTR_PREVIOUS_ON_LINE_ID, inline_box1_.id);
 
   static_text2_.role = AX_ROLE_STATIC_TEXT;
-  static_text2_.state = 1 << AX_STATE_EDITABLE;
+  static_text2_.AddState(AX_STATE_EDITABLE);
   static_text2_.SetName("Line 2");
   static_text2_.child_ids.push_back(inline_box2_.id);
 
   inline_box2_.role = AX_ROLE_INLINE_TEXT_BOX;
-  inline_box2_.state = 1 << AX_STATE_EDITABLE;
+  inline_box2_.AddState(AX_STATE_EDITABLE);
   inline_box2_.SetName("Line 2");
   inline_box2_.AddIntListAttribute(AX_ATTR_WORD_STARTS,
                                    std::vector<int32_t>{0, 5});