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

chrome/browser/ui/find_bar/find_backend_unittest.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 "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/find_bar/find_bar_state.h"
 #include "chrome/browser/ui/find_bar/find_bar_state_factory.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
@@ skipping 26 matching lines @@
 // This test takes two WebContents objects, searches in both of them and
 // tests the internal state for find_text and find_prepopulate_text.
 TEST_F(FindBackendTest, InternalState) {
   FindTabHelper* find_tab_helper =
       FindTabHelper::FromWebContents(web_contents());
   // Initial state for the WebContents is blank strings.
   EXPECT_EQ(base::string16(), FindPrepopulateText(web_contents()));
   EXPECT_EQ(base::string16(), find_tab_helper->find_text());
 
   // Get another WebContents object ready.
-  scoped_ptr<WebContents> contents2(
+  std::unique_ptr<WebContents> contents2(
       WebContentsTester::CreateTestWebContents(profile(), NULL));
   FindTabHelper::CreateForWebContents(contents2.get());
   FindTabHelper* find_tab_helper2 =
       FindTabHelper::FromWebContents(contents2.get());
 
   // No search has still been issued, strings should be blank.
   EXPECT_EQ(base::string16(), FindPrepopulateText(web_contents()));
   EXPECT_EQ(base::string16(), find_tab_helper->find_text());
   EXPECT_EQ(base::string16(), FindPrepopulateText(contents2.get()));
   EXPECT_EQ(base::string16(), find_tab_helper2->find_text());
@@ skipping 28 matching lines @@
   // find_tab_helper (as indicated by the last two params).
   find_tab_helper->StartFinding(search_term3, true, false);
 
   // Once more, pre-populate string should always match between the two, but
   // find_text should not.
   EXPECT_EQ(search_term3, FindPrepopulateText(web_contents()));
   EXPECT_EQ(search_term3, find_tab_helper->find_text());
   EXPECT_EQ(search_term3, FindPrepopulateText(contents2.get()));
   EXPECT_EQ(search_term2, find_tab_helper2->find_text());
 }