Add origin() method on View and use it to simplify some callers.

ui/message_center/views/message_list_view.cc

 // Copyright (c) 2015 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 "base/command_line.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ui/gfx/animation/slide_animation.h"
 #include "ui/message_center/message_center_style.h"
@@ skipping 430 matching lines @@
     animator_.AnimateViewTo(
         child, gfx::Rect(child_area.x(), top, child_area.width(), height));
   } else if (deleting_views_.find(child) != deleting_views_.end()) {
     DCHECK(child->layer());
     // No moves, but animate to fade-out.
     animator_.AnimateViewTo(child, child->bounds());
     deleted_when_done_.insert(child);
     return false;
   } else {
     gfx::Rect target(child_area.x(), top, child_area.width(), height);
-    if (child->bounds().origin() != target.origin() && animate_on_move)
+    if (child->origin() != target.origin() && animate_on_move)
       animator_.AnimateViewTo(child, target);
     else
       child->SetBoundsRect(target);
   }
   return true;
 }
 
 void MessageListView::AnimateClearingOneNotification() {
   DCHECK(!clearing_all_views_.empty());
 
@@ skipping 15 matching lines @@
         base::TimeDelta::FromMilliseconds(
             kAnimateClearingNextNotificationDelayMS));
   }
 }
 
 void MessageListView::SetRepositionTargetForTest(const gfx::Rect& target_rect) {
   SetRepositionTarget(target_rect);
 }
 
 }  // namespace message_center