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

extensions/browser/content_hash_fetcher.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 "extensions/browser/content_hash_fetcher.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 121 matching lines @@
 
   // The url we'll need to use to fetch a verified_contents.json file.
   GURL fetch_url_;
 
   bool force_;
 
   CompletionCallback callback_;
   content::BrowserThread::ID creation_thread_;
 
   // Used for fetching content signatures.
-  scoped_ptr<net::URLFetcher> url_fetcher_;
+  std::unique_ptr<net::URLFetcher> url_fetcher_;
 
   // The key used to validate verified_contents.json.
   ContentVerifierKey key_;
 
   // The parsed contents of the verified_contents.json file, either read from
   // disk or fetched from the network and then written to disk.
-  scoped_ptr<VerifiedContents> verified_contents_;
+  std::unique_ptr<VerifiedContents> verified_contents_;
 
   // Whether this job succeeded.
   bool success_;
 
   // Paths that were found to have a mismatching hash.
   std::set<base::FilePath> hash_mismatch_paths_;
 
   // The block size to use for hashing.
   int block_size_;
 
@@ skipping 89 matching lines @@
                                net::LOAD_DISABLE_CACHE);
     url_fetcher_->SetAutomaticallyRetryOnNetworkChanges(3);
     url_fetcher_->Start();
   }
 }
 
 // Helper function to let us pass ownership of a string via base::Bind with the
 // contents to be written into a file. Also ensures that the directory for
 // |path| exists, creating it if needed.
 static int WriteFileHelper(const base::FilePath& path,
-                           scoped_ptr<std::string> content) {
+                           std::unique_ptr<std::string> content) {
   base::FilePath dir = path.DirName();
   return (base::CreateDirectoryAndGetError(dir, NULL) &&
           base::WriteFile(path, content->data(), content->size()));
 }
 
 void ContentHashFetcherJob::OnURLFetchComplete(const net::URLFetcher* source) {
   VLOG(1) << "URLFetchComplete for " << extension_id_
           << " is_success:" << url_fetcher_->GetStatus().is_success() << " "
           << fetch_url_.possibly_invalid_spec();
   if (IsCancelled())
     return;
-  scoped_ptr<std::string> response(new std::string);
+  std::unique_ptr<std::string> response(new std::string);
   if (!url_fetcher_->GetStatus().is_success() ||
       !url_fetcher_->GetResponseAsString(response.get())) {
     DoneFetchingVerifiedContents(false);
     return;
   }
 
   // Parse the response to make sure it is valid json (on staging sometimes it
   // can be a login redirect html, xml file, etc. if you aren't logged in with
   // the right cookies).  TODO(asargent) - It would be a nice enhancement to
   // move to parsing this in a sandboxed helper (crbug.com/372878).
-  scoped_ptr<base::Value> parsed(base::JSONReader::Read(*response));
+  std::unique_ptr<base::Value> parsed(base::JSONReader::Read(*response));
   if (parsed) {
     VLOG(1) << "JSON parsed ok for " << extension_id_;
 
     parsed.reset();  // no longer needed
     base::FilePath destination =
         file_util::GetVerifiedContentsPath(extension_path_);
     size_t size = response->size();
     base::PostTaskAndReplyWithResult(
         content::BrowserThread::GetBlockingPool(),
         FROM_HERE,
@@ skipping 205 matching lines @@
 
   for (JobMap::iterator i = jobs_.begin(); i != jobs_.end(); ++i) {
     if (i->second.get() == job) {
       jobs_.erase(i);
       break;
     }
   }
 }
 
 }  // namespace extensions