Convert //ash from scoped_ptr to std::unique_ptr

ash/sticky_keys/sticky_keys_controller.cc

 // Copyright 2013 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 "ash/sticky_keys/sticky_keys_controller.h"
 
 #include "ash/sticky_keys/sticky_keys_overlay.h"
 #include "base/debug/stack_trace.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tracker.h"
@@ skipping 154 matching lines @@
   if (!enabled_)
     return ui::EVENT_REWRITE_CONTINUE;
   int mod_down_flags = 0;
   bool released = false;
   bool consumed = HandleScrollEvent(event, &mod_down_flags, &released);
   UpdateOverlay();
   return RewriteUpdate(consumed, released, mod_down_flags, flags);
 }
 
 ui::EventRewriteStatus StickyKeysController::NextDispatchEvent(
-    scoped_ptr<ui::Event>* new_event) {
+    std::unique_ptr<ui::Event>* new_event) {
   DCHECK(new_event);
   new_event->reset();
   int remaining = shift_sticky_key_->GetModifierUpEvent(new_event) +
                   alt_sticky_key_->GetModifierUpEvent(new_event) +
                   altgr_sticky_key_->GetModifierUpEvent(new_event) +
                   ctrl_sticky_key_->GetModifierUpEvent(new_event) +
                   mod3_sticky_key_->GetModifierUpEvent(new_event) +
                   search_sticky_key_->GetModifierUpEvent(new_event);
   if (!new_event)
     return ui::EVENT_REWRITE_CONTINUE;
@@ skipping 116 matching lines @@
       (event.type() == ui::ET_SCROLL_FLING_START || direction_changed)) {
     current_state_ = STICKY_KEY_STATE_DISABLED;
     scroll_delta_ = 0;
     *released = true;
     return false;
   }
 
   return false;
 }
 
-int StickyKeysHandler::GetModifierUpEvent(scoped_ptr<ui::Event>* new_event) {
+int StickyKeysHandler::GetModifierUpEvent(
+    std::unique_ptr<ui::Event>* new_event) {
   if (current_state_ != STICKY_KEY_STATE_DISABLED || !modifier_up_event_)
     return 0;
   DCHECK(new_event);
   if (*new_event)
     return 1;
   new_event->reset(modifier_up_event_.release());
   return 0;
 }
 
 StickyKeysHandler::KeyEventType StickyKeysHandler::TranslateKeyEvent(
@@ skipping 100 matching lines @@
       return false;
     case OTHER_MODIFIER_DOWN:
     case OTHER_MODIFIER_UP:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace ash