Moved action verbs out of Blink.

ui/views/controls/button/custom_button.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/button/custom_button.h"
 
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_codes.h"
@@ skipping 333 matching lines @@
       node_data->AddStateFlag(ui::AX_STATE_PRESSED);
       break;
     case STATE_DISABLED:
       node_data->AddStateFlag(ui::AX_STATE_DISABLED);
       break;
     case STATE_NORMAL:
     case STATE_COUNT:
       // No additional accessibility node_data set for this button node_data.
       break;
   }
+  if (state() != STATE_DISABLED)
+    node_data->AddIntAttribute(ui::AX_ATTR_ACTION,
+                               ui::AX_SUPPORTED_ACTION_PRESS);
 }
 
 void CustomButton::VisibilityChanged(View* starting_from, bool visible) {
   Button::VisibilityChanged(starting_from, visible);
   if (state_ == STATE_DISABLED)
     return;
   SetState(visible && ShouldEnterHoveredState() ? STATE_HOVERED : STATE_NORMAL);
 }
 
 std::unique_ptr<InkDrop> CustomButton::CreateInkDrop() {
@@ skipping 106 matching lines @@
           views::InkDropState::ACTION_PENDING ||
       GetInkDrop()->GetTargetInkDropState() ==
           views::InkDropState::ALTERNATE_ACTION_PENDING) {
     AnimateInkDrop(views::InkDropState::HIDDEN,
                    ui::LocatedEvent::FromIfValid(&event));
   }
   Button::OnClickCanceled(event);
 }
 
 }  // namespace views