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

chrome/browser/ui/android/tab_model/tab_model_list_unittest.cc

 // Copyright 2014 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 "chrome/browser/ui/android/tab_model/tab_model.h"
 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/web_contents.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 24 matching lines @@
 
   // A fake value for the current number of tabs.
   int tab_count_;
 };
 
 // Regression test for http://crbug.com/432685.
 TEST_F(TabModelListTest, TestGetTabModelForWebContents) {
   TestTabModel tab_model(profile());
   TabModelList::AddTabModel(&tab_model);
 
-  scoped_ptr<content::WebContents> contents(CreateTestWebContents());
+  std::unique_ptr<content::WebContents> contents(CreateTestWebContents());
 
   // Should not crash when there are no tabs.
   EXPECT_EQ(NULL, TabModelList::GetTabModelForWebContents(contents.get()));
 
   // Should not crash when there is an uninitialized tab, i.e. when
   // TabModel::GetTabAt returns NULL.
   tab_model.tab_count_ = 1;
   EXPECT_EQ(NULL, TabModelList::GetTabModelForWebContents(contents.get()));
 
   TabModelList::RemoveTabModel(&tab_model);
 }