Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/cocoa/download/download_shelf_controller_unittest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/download/download_shelf_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
 #include <utility>
 
 #import "base/mac/scoped_block.h"
 #import "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/download/download_shelf.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #import "chrome/browser/ui/cocoa/download/download_item_controller.h"
 #import "chrome/browser/ui/cocoa/view_resizer_pong.h"
 #include "content/public/test/mock_download_item.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "third_party/ocmock/gtest_support.h"
 #import "ui/events/test/cocoa_test_event_utils.h"
 
 using ::testing::Return;
 using ::testing::AnyNumber;
 
 // Wraps a content::MockDownloadItem so it can be retained by the mock
 // DownloadItemController.
 @interface WrappedMockDownloadItem : NSObject {
  @private
-  scoped_ptr<content::MockDownloadItem> download_;
+  std::unique_ptr<content::MockDownloadItem> download_;
 }
-- (id)initWithMockDownload:(scoped_ptr<content::MockDownloadItem>)download;
+- (id)initWithMockDownload:(std::unique_ptr<content::MockDownloadItem>)download;
 - (content::DownloadItem*)download;
 - (content::MockDownloadItem*)mockDownload;
 @end
 
 @implementation WrappedMockDownloadItem
-- (id)initWithMockDownload:(scoped_ptr<content::MockDownloadItem>)download {
+- (id)initWithMockDownload:
+    (std::unique_ptr<content::MockDownloadItem>)download {
   if ((self = [super init])) {
     download_ = std::move(download);
   }
   return self;
 }
 
 - (content::DownloadItem*)download {
   return download_.get();
 }
 
@@ skipping 80 matching lines @@
   }
 
  protected:
   id CreateItemController();
 
   base::scoped_nsobject<CountingDownloadShelfController> shelf_;
   base::scoped_nsobject<ViewResizerPong> resize_delegate_;
 };
 
 id DownloadShelfControllerTest::CreateItemController() {
-  scoped_ptr<content::MockDownloadItem> download(
+  std::unique_ptr<content::MockDownloadItem> download(
       new ::testing::NiceMock<content::MockDownloadItem>);
   ON_CALL(*download.get(), GetOpened())
       .WillByDefault(Return(false));
   ON_CALL(*download.get(), GetState())
       .WillByDefault(Return(content::DownloadItem::IN_PROGRESS));
 
   base::scoped_nsobject<WrappedMockDownloadItem> wrappedMockDownload(
       [[WrappedMockDownloadItem alloc]
           initWithMockDownload:std::move(download)]);
 
@@ skipping 243 matching lines @@
   }];
   [shelf_ showDownloadShelf:NO isUserAction:NO];
   base::MessageLoop::current()->Run();
   EXPECT_TRUE([[shelf_ view] isHidden]);
 
   [shelf_ showDownloadShelf:YES isUserAction:NO];
   EXPECT_FALSE([[shelf_ view] isHidden]);
 }
 
 }  // namespace