Replace scoped_ptr with std::unique_ptr in //ui

ui/snapshot/snapshot_android.cc

 // Copyright (c) 2012 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 "ui/snapshot/snapshot.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 21 matching lines @@
                         std::vector<unsigned char>* png_representation,
                         const gfx::Rect& snapshot_bounds) {
   // Not supported in Android.  Callers should fall back to the async version.
   return false;
 }
 
 static void MakeAsyncCopyRequest(
     gfx::NativeWindow window,
     const gfx::Rect& source_rect,
     const cc::CopyOutputRequest::CopyOutputRequestCallback& callback) {
-  scoped_ptr<cc::CopyOutputRequest> request =
+  std::unique_ptr<cc::CopyOutputRequest> request =
       cc::CopyOutputRequest::CreateBitmapRequest(callback);
 
   const gfx::Display& display = gfx::Screen::GetScreen()->GetPrimaryDisplay();
   float device_scale_factor = display.device_scale_factor();
   gfx::Rect source_rect_in_pixel =
       gfx::ScaleToEnclosingRect(source_rect, device_scale_factor);
 
   // Account for the toolbar offset.
   gfx::Vector2dF offset = window->content_offset();
   gfx::Rect adjusted_source_rect(gfx::ToRoundedPoint(
@@ skipping 34 matching lines @@
 void GrabViewSnapshotAsync(
     gfx::NativeView view,
     const gfx::Rect& source_rect,
     scoped_refptr<base::TaskRunner> background_task_runner,
     const GrabWindowSnapshotAsyncPNGCallback& callback) {
   GrabWindowSnapshotAsync(
       view->GetWindowAndroid(), source_rect, background_task_runner, callback);
 }
 
 }  // namespace ui