Remove outdated TODOs for issue 337824.

ui/events/gesture_event_details.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 UI_EVENTS_GESTURE_DETECTION_GESTURE_EVENT_DETAILS_H_
 #define UI_EVENTS_GESTURE_DETECTION_GESTURE_EVENT_DETAILS_H_
 
 #include "base/logging.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/events_base_export.h"
@@ skipping 19 matching lines @@
     DCHECK_GT(touch_points, 0);
     touch_points_ = touch_points;
   }
 
   int oldest_touch_id() const { return oldest_touch_id_; }
   void set_oldest_touch_id(int oldest_touch_id) {
     DCHECK_GE(oldest_touch_id, 0);
     oldest_touch_id_ = oldest_touch_id;
   }
 
-  // TODO(tdresser): Return RectF. See crbug.com/337824.
   const gfx::Rect bounding_box() const {
     return ToEnclosingRect(bounding_box_);
   }
 
   const gfx::RectF& bounding_box_f() const {
     return bounding_box_;
   }
 
   void set_bounding_box(const gfx::RectF& box) { bounding_box_ = box; }
 
@@ skipping 144 matching lines @@
   // enclosing rectangles of the touch-points in the gesture.
   gfx::RectF bounding_box_;
 
   // The touch id of the oldest touch contributing to the gesture.
   int oldest_touch_id_;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_GESTURE_DETECTION_GESTURE_EVENT_DETAILS_H_