Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/accessibility/dump_accessibility_browsertest_base.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 "content/browser/accessibility/dump_accessibility_browsertest_base.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 75 matching lines @@
 }
 
 void DumpAccessibilityTestBase::SetUpOnMainThread() {
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(embedded_test_server()->Start());
   SetupCrossSiteRedirector(embedded_test_server());
 }
 
 base::string16
 DumpAccessibilityTestBase::DumpUnfilteredAccessibilityTreeAsString() {
-  scoped_ptr<AccessibilityTreeFormatter> formatter(
+  std::unique_ptr<AccessibilityTreeFormatter> formatter(
       CreateAccessibilityTreeFormatter());
   std::vector<Filter> filters;
   filters.push_back(Filter(base::ASCIIToUTF16("*"), Filter::ALLOW));
   formatter->SetFilters(filters);
   formatter->set_show_ids(true);
   WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
       shell()->web_contents());
   base::string16 ax_tree_dump;
   formatter->FormatAccessibilityTree(
       web_contents->GetRootBrowserAccessibilityManager()->GetRoot(),
@@ skipping 279 matching lines @@
           expected_file, actual_contents.c_str(), actual_contents.size()));
       LOG(INFO) << "Wrote expectations to: "
                 << expected_file.LossyDisplayName();
     }
   } else {
     LOG(INFO) << "Test output matches expectations.";
   }
 }
 
 }  // namespace content