Convert //ash from scoped_ptr to std::unique_ptr

ash/host/ash_window_tree_host_unified.cc

 // Copyright 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 "ash/host/ash_window_tree_host_unified.h"
 
 #include <utility>
 
 #include "ash/host/root_window_transformer.h"
 #include "ash/ime/input_method_event_handler.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/compositor/compositor.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/platform_window/stub/stub_window.h"
 
 namespace ash {
 
 class UnifiedEventTargeter : public aura::WindowTargeter {
@@ skipping 20 matching lines @@
 
   aura::Window* src_root_;
   aura::Window* dst_root_;
 
   DISALLOW_COPY_AND_ASSIGN(UnifiedEventTargeter);
 };
 
 AshWindowTreeHostUnified::AshWindowTreeHostUnified(
     const gfx::Rect& initial_bounds)
     : AshWindowTreeHostPlatform() {
-  scoped_ptr<ui::PlatformWindow> window(new ui::StubWindow(this));
+  std::unique_ptr<ui::PlatformWindow> window(new ui::StubWindow(this));
   window->SetBounds(initial_bounds);
   SetPlatformWindow(std::move(window));
 }
 
 AshWindowTreeHostUnified::~AshWindowTreeHostUnified() {
   for (auto* ash_host : mirroring_hosts_)
     ash_host->AsWindowTreeHost()->window()->RemoveObserver(this);
 }
 
 void AshWindowTreeHostUnified::PrepareForShutdown() {
   AshWindowTreeHostPlatform::PrepareForShutdown();
 
   for (auto host : mirroring_hosts_)
     host->PrepareForShutdown();
 }
 
 void AshWindowTreeHostUnified::RegisterMirroringHost(
     AshWindowTreeHost* mirroring_ash_host) {
   aura::Window* src_root = mirroring_ash_host->AsWindowTreeHost()->window();
   src_root->SetEventTargeter(
-      make_scoped_ptr(new UnifiedEventTargeter(src_root, window())));
+      base::WrapUnique(new UnifiedEventTargeter(src_root, window())));
   DCHECK(std::find(mirroring_hosts_.begin(), mirroring_hosts_.end(),
                    mirroring_ash_host) == mirroring_hosts_.end());
   mirroring_hosts_.push_back(mirroring_ash_host);
   mirroring_ash_host->AsWindowTreeHost()->window()->AddObserver(this);
 }
 
 void AshWindowTreeHostUnified::SetBounds(const gfx::Rect& bounds) {
   AshWindowTreeHostPlatform::SetBounds(bounds);
   OnHostResized(bounds.size());
 }
@@ skipping 18 matching lines @@
       std::find_if(mirroring_hosts_.begin(), mirroring_hosts_.end(),
                    [window](AshWindowTreeHost* ash_host) {
                      return ash_host->AsWindowTreeHost()->window() == window;
                    });
   DCHECK(iter != mirroring_hosts_.end());
   window->RemoveObserver(this);
   mirroring_hosts_.erase(iter);
 }
 
 }  // namespace ash