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

ui/views/controls/tabbed_pane/tabbed_pane_unittest.cc

 // Copyright (c) 2012 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/views/controls/tabbed_pane/tabbed_pane.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 141 matching lines @@
   constexpr int kNumTabs = 3;
   for (int i = 0; i < kNumTabs; ++i) {
     tabbed_pane_->AddTab(DefaultTabTitle(), new View());
   }
   // Check the first tab is selected.
   EXPECT_EQ(0, tabbed_pane_->GetSelectedTabIndex());
 
   // Check the a11y information for each tab.
   for (int i = 0; i < kNumTabs; ++i) {
     ui::AXNodeData data;
-
-    // AXViewObjWrapper::Serialize() and NativeViewAccessibilityBase::GetData()
-    // are normally responsible for clearing the state from the default
-    // AXNodeData constructor. Do the same here.
-    data.state = 0;
-
     GetTabAt(i)->GetAccessibleNodeData(&data);
     SCOPED_TRACE(testing::Message() << "Tab at index: " << i);
     EXPECT_EQ(ui::AX_ROLE_TAB, data.role);
     EXPECT_EQ(DefaultTabTitle(), data.GetString16Attribute(ui::AX_ATTR_NAME));
-    EXPECT_TRUE(data.HasStateFlag(ui::AX_STATE_SELECTABLE));
-    EXPECT_EQ(i == 0, data.HasStateFlag(ui::AX_STATE_SELECTED));
+    EXPECT_TRUE(data.HasState(ui::AX_STATE_SELECTABLE));
+    EXPECT_EQ(i == 0, data.HasState(ui::AX_STATE_SELECTED));
   }
 
   ui::AXActionData action;
   action.action = ui::AX_ACTION_SET_SELECTION;
   // Select the first tab.
 
   GetTabAt(0)->HandleAccessibleAction(action);
   EXPECT_EQ(0, tabbed_pane_->GetSelectedTabIndex());
 
   // Select the second tab.
   GetTabAt(1)->HandleAccessibleAction(action);
   EXPECT_EQ(1, tabbed_pane_->GetSelectedTabIndex());
   // Select the second tab again.
   GetTabAt(1)->HandleAccessibleAction(action);
   EXPECT_EQ(1, tabbed_pane_->GetSelectedTabIndex());
 
   widget->CloseNow();
 }
 
 }  // namespace test
 }  // namespace views