Blink handle selection handle visibility

cc/input/selection.h

 // Copyright 2014 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.
 
 #ifndef CC_INPUT_SELECTION_H_
 #define CC_INPUT_SELECTION_H_
 
 #include "cc/base/cc_export.h"
 
 namespace cc {
 
 template <typename BoundType>
 struct CC_EXPORT Selection {
-  Selection() : is_editable(false), is_empty_text_form_control(false) {}
+  Selection()
+      : is_editable(false),
+        is_empty_text_form_control(false),
+        is_handle_visible(true) {}
   ~Selection() {}
 
   BoundType start, end;
   bool is_editable;
   bool is_empty_text_form_control;
+  bool is_handle_visible;
 };
 
 template <typename BoundType>
 inline bool operator==(const Selection<BoundType>& lhs,
                        const Selection<BoundType>& rhs) {
   return lhs.start == rhs.start && lhs.end == rhs.end &&
          lhs.is_editable == rhs.is_editable &&
-         lhs.is_empty_text_form_control == rhs.is_empty_text_form_control;
+         lhs.is_empty_text_form_control == rhs.is_empty_text_form_control &&
+         lhs.is_handle_visible == rhs.is_handle_visible;
 }
 
 template <typename BoundType>
 inline bool operator!=(const Selection<BoundType>& lhs,
                        const Selection<BoundType>& rhs) {
   return !(lhs == rhs);
 }
 
 }  // namespace cc
 
 #endif  // CC_INPUT_SELECTION_H_