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

extensions/browser/updater/extension_downloader.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_UPDATER_EXTENSION_DOWNLOADER_H_
 #define EXTENSIONS_BROWSER_UPDATER_EXTENSION_DOWNLOADER_H_
 
 #include <deque>
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/version.h"
 #include "extensions/browser/updater/extension_downloader_delegate.h"
 #include "extensions/browser/updater/manifest_fetch_data.h"
 #include "extensions/browser/updater/request_queue.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/update_manifest.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
@@ skipping 22 matching lines @@
 
 // A class that checks for updates of a given list of extensions, and downloads
 // the crx file when updates are found. It uses a |ExtensionDownloaderDelegate|
 // that takes ownership of the downloaded crx files, and handles events during
 // the update check.
 class ExtensionDownloader : public net::URLFetcherDelegate,
                             public OAuth2TokenService::Consumer {
  public:
   // A closure which constructs a new ExtensionDownloader to be owned by the
   // caller.
-  typedef base::Callback<scoped_ptr<ExtensionDownloader>(
-      ExtensionDownloaderDelegate* delegate)> Factory;
+  typedef base::Callback<std::unique_ptr<ExtensionDownloader>(
+      ExtensionDownloaderDelegate* delegate)>
+      Factory;
 
   // |delegate| is stored as a raw pointer and must outlive the
   // ExtensionDownloader.
   ExtensionDownloader(ExtensionDownloaderDelegate* delegate,
                       net::URLRequestContextGetter* request_context);
   ~ExtensionDownloader() override;
 
   // Adds |extension| to the list of extensions to check for updates.
   // Returns false if the |extension| can't be updated due to invalid details.
   // In that case, no callbacks will be performed on the |delegate_|.
@@ skipping 17 matching lines @@
   void StartAllPending(ExtensionCache* cache);
 
   // Schedules an update check of the blacklist.
   void StartBlacklistUpdate(const std::string& version,
                             const ManifestFetchData::PingData& ping_data,
                             int request_id);
 
   // Sets an IdentityProvider to be used for OAuth2 authentication on protected
   // Webstore downloads.
   void SetWebstoreIdentityProvider(
-      scoped_ptr<IdentityProvider> identity_provider);
+      std::unique_ptr<IdentityProvider> identity_provider);
 
   void set_brand_code(const std::string& brand_code) {
     brand_code_ = brand_code;
   }
 
   void set_manifest_query_params(const std::string& params) {
     manifest_query_params_ = params;
   }
 
   void set_ping_enabled_domain(const std::string& domain) {
@@ skipping 75 matching lines @@
                         const base::Version& version,
                         Manifest::Type extension_type,
                         const GURL& extension_update_url,
                         const std::string& update_url_data,
                         int request_id);
 
   // Adds all recorded stats taken so far to histogram counts.
   void ReportStats() const;
 
   // Begins an update check.
-  void StartUpdateCheck(scoped_ptr<ManifestFetchData> fetch_data);
+  void StartUpdateCheck(std::unique_ptr<ManifestFetchData> fetch_data);
 
   // Called by RequestQueue when a new manifest fetch request is started.
   void CreateManifestFetcher();
 
   // net::URLFetcherDelegate implementation.
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Handles the result of a manifest fetch.
   void OnManifestFetchComplete(const GURL& url,
                                const net::URLRequestStatus& status,
                                int response_code,
                                const base::TimeDelta& backoff_delay,
                                const std::string& data);
 
   // Once a manifest is parsed, this starts fetches of any relevant crx files.
   // If |results| is null, it means something went wrong when parsing it.
   void HandleManifestResults(const ManifestFetchData* fetch_data,
                              const UpdateManifest::Results* results);
 
   // Given a list of potential updates, returns the indices of the ones that are
   // applicable (are actually a new version, etc.) in |result|.
   void DetermineUpdates(const ManifestFetchData& fetch_data,
                         const UpdateManifest::Results& possible_updates,
                         std::vector<int>* result);
 
   // Begins (or queues up) download of an updated extension.
-  void FetchUpdatedExtension(scoped_ptr<ExtensionFetch> fetch_data);
+  void FetchUpdatedExtension(std::unique_ptr<ExtensionFetch> fetch_data);
 
   // Called by RequestQueue when a new extension fetch request is started.
   void CreateExtensionFetcher();
 
   // Handles the result of a crx fetch.
   void OnCRXFetchComplete(const net::URLFetcher* source,
                           const GURL& url,
                           const net::URLRequestStatus& status,
                           int response_code,
                           const base::TimeDelta& backoff_delay);
 
   // Invokes OnExtensionDownloadFailed() on the |delegate_| for each extension
   // in the set, with |error| as the reason for failure.
   void NotifyExtensionsDownloadFailed(const std::set<std::string>& id_set,
                                       const std::set<int>& request_ids,
                                       ExtensionDownloaderDelegate::Error error);
 
   // Send a notification that an update was found for |id| that we'll
   // attempt to download.
   void NotifyUpdateFound(const std::string& id, const std::string& version);
 
   // Do real work of StartAllPending. If .crx cache is used, this function
   // is called when cache is ready.
   void DoStartAllPending();
 
   // Notify delegate and remove ping results.
-  void NotifyDelegateDownloadFinished(scoped_ptr<ExtensionFetch> fetch_data,
-                                      bool from_cache,
-                                      const base::FilePath& crx_path,
-                                      bool file_ownership_passed);
+  void NotifyDelegateDownloadFinished(
+      std::unique_ptr<ExtensionFetch> fetch_data,
+      bool from_cache,
+      const base::FilePath& crx_path,
+      bool file_ownership_passed);
 
   // Cached extension installation completed. If it was not successful, we will
   // try to download it from the web store using already fetched manifest.
-  void CacheInstallDone(scoped_ptr<ExtensionFetch> fetch_data, bool installed);
+  void CacheInstallDone(std::unique_ptr<ExtensionFetch> fetch_data,
+                        bool installed);
 
   // Potentially updates an ExtensionFetch's authentication state and returns
   // |true| if the fetch should be retried. Returns |false| if the failure was
   // not related to authentication, leaving the ExtensionFetch data unmodified.
   bool IterateFetchCredentialsAfterFailure(ExtensionFetch* fetch,
                                            const net::URLRequestStatus& status,
                                            int response_code);
 
   // OAuth2TokenService::Consumer implementation.
   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
@@ skipping 17 matching lines @@
 
   // List of data on fetches we're going to do. We limit the number of
   // extensions grouped together in one batch to avoid running into the limits
   // on the length of http GET requests, so there might be multiple
   // ManifestFetchData* objects with the same base_url.
   typedef std::map<std::pair<int, GURL>,
                    std::vector<linked_ptr<ManifestFetchData>>> FetchMap;
   FetchMap fetches_preparing_;
 
   // Outstanding url fetch requests for manifests and updates.
-  scoped_ptr<net::URLFetcher> manifest_fetcher_;
-  scoped_ptr<net::URLFetcher> extension_fetcher_;
+  std::unique_ptr<net::URLFetcher> manifest_fetcher_;
+  std::unique_ptr<net::URLFetcher> extension_fetcher_;
 
   // Pending manifests and extensions to be fetched when the appropriate fetcher
   // is available.
   RequestQueue<ManifestFetchData> manifests_queue_;
   RequestQueue<ExtensionFetch> extensions_queue_;
 
   // Maps an extension-id to its PingResult data.
   std::map<std::string, ExtensionDownloaderDelegate::PingResult> ping_results_;
 
   // Cache for .crx files.
   ExtensionCache* extension_cache_;
 
   // An IdentityProvider which may be used for authentication on protected
   // download requests. May be NULL.
-  scoped_ptr<IdentityProvider> identity_provider_;
+  std::unique_ptr<IdentityProvider> identity_provider_;
 
   // A Webstore download-scoped access token for the |identity_provider_|'s
   // active account, if any.
   std::string access_token_;
 
   // A pending token fetch request.
-  scoped_ptr<OAuth2TokenService::Request> access_token_request_;
+  std::unique_ptr<OAuth2TokenService::Request> access_token_request_;
 
   // Brand code to include with manifest fetch queries if sending ping data.
   std::string brand_code_;
 
   // Baseline parameters to include with manifest fetch queries.
   std::string manifest_query_params_;
 
   // Domain to enable ping data. Ping data will be sent with manifest fetches
   // to update URLs which match this domain. Defaults to empty (no domain).
   std::string ping_enabled_domain_;
 
   // Indicates whether or not extra metrics should be included with ping data.
   // Defaults to |false|.
   bool enable_extra_update_metrics_;
 
   // Used to create WeakPtrs to |this|.
   base::WeakPtrFactory<ExtensionDownloader> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDownloader);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_UPDATER_EXTENSION_DOWNLOADER_H_