Standardize usage of virtual/override/final in google_apis/

google_apis/drive/drive_api_requests.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 GOOGLE_APIS_DRIVE_DRIVE_API_REQUESTS_H_
 #define GOOGLE_APIS_DRIVE_DRIVE_API_REQUESTS_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 29 matching lines @@
 
 //============================ DriveApiPartialFieldRequest ====================
 
 // This is base class of the Drive API related requests. All Drive API requests
 // support partial request (to improve the performance). The function can be
 // shared among the Drive API requests.
 // See also https://developers.google.com/drive/performance
 class DriveApiPartialFieldRequest : public UrlFetchRequestBase {
  public:
   explicit DriveApiPartialFieldRequest(RequestSender* sender);
-  virtual ~DriveApiPartialFieldRequest();
+  ~DriveApiPartialFieldRequest() override;
 
   // Optional parameter.
   const std::string& fields() const { return fields_; }
   void set_fields(const std::string& fields) { fields_ = fields; }
 
  protected:
   // UrlFetchRequestBase overrides.
-  virtual GURL GetURL() const override;
+  GURL GetURL() const override;
 
   // Derived classes should override GetURLInternal instead of GetURL()
   // directly.
   virtual GURL GetURLInternal() const = 0;
 
  private:
   std::string fields_;
 
   DISALLOW_COPY_AND_ASSIGN(DriveApiPartialFieldRequest);
 };
@@ skipping 70 matching lines @@
 //=============================== FilesGetRequest =============================
 
 // This class performs the request for fetching a file.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/get
 class FilesGetRequest : public DriveApiDataRequest<FileResource> {
  public:
   FilesGetRequest(RequestSender* sender,
                   const DriveApiUrlGenerator& url_generator,
                   const FileResourceCallback& callback);
-  virtual ~FilesGetRequest();
+  ~FilesGetRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string file_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesGetRequest);
 };
 
 //============================ FilesAuthorizeRequest ===========================
 
 // This class performs request for authorizing an app to access a file.
 // This request is mapped to /drive/v2internal/file/authorize internal endpoint.
 class FilesAuthorizeRequest : public DriveApiDataRequest<FileResource> {
  public:
   FilesAuthorizeRequest(RequestSender* sender,
                         const DriveApiUrlGenerator& url_generator,
                         const FileResourceCallback& callback);
-  virtual ~FilesAuthorizeRequest();
+  ~FilesAuthorizeRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
   const std::string& app_id() const { return app_id_; }
   void set_app_id(const std::string& app_id) { app_id_ = app_id; }
 
  protected:
   // Overridden from GetDataRequest.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
 
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string file_id_;
   std::string app_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesAuthorizeRequest);
 };
 
 //============================ FilesInsertRequest =============================
 
 // This class performs the request for creating a resource.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/insert
 // See also https://developers.google.com/drive/manage-uploads and
 // https://developers.google.com/drive/folder
 class FilesInsertRequest : public DriveApiDataRequest<FileResource> {
  public:
   FilesInsertRequest(RequestSender* sender,
                      const DriveApiUrlGenerator& url_generator,
                      const FileResourceCallback& callback);
-  virtual ~FilesInsertRequest();
+  ~FilesInsertRequest() override;
 
   // Optional request body.
   const base::Time& last_viewed_by_me_date() const {
     return last_viewed_by_me_date_;
   }
   void set_last_viewed_by_me_date(const base::Time& last_viewed_by_me_date) {
     last_viewed_by_me_date_ = last_viewed_by_me_date;
   }
 
   const std::string& mime_type() const { return mime_type_; }
   void set_mime_type(const std::string& mime_type) {
     mime_type_ = mime_type;
   }
 
   const base::Time& modified_date() const { return modified_date_; }
   void set_modified_date(const base::Time& modified_date) {
     modified_date_ = modified_date;
   }
 
   const std::vector<std::string>& parents() const { return parents_; }
   void add_parent(const std::string& parent) { parents_.push_back(parent); }
 
   const std::string& title() const { return title_; }
   void set_title(const std::string& title) { title_ = title; }
 
  protected:
   // Overridden from GetDataRequest.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
 
   base::Time last_viewed_by_me_date_;
   std::string mime_type_;
   base::Time modified_date_;
   std::vector<std::string> parents_;
   std::string title_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesInsertRequest);
 };
 
 //============================== FilesPatchRequest ============================
 
 // This class performs the request for patching file metadata.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/patch
 class FilesPatchRequest : public DriveApiDataRequest<FileResource> {
  public:
   FilesPatchRequest(RequestSender* sender,
                     const DriveApiUrlGenerator& url_generator,
                     const FileResourceCallback& callback);
-  virtual ~FilesPatchRequest();
+  ~FilesPatchRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
 
   // Optional parameter.
   bool set_modified_date() const { return set_modified_date_; }
   void set_set_modified_date(bool set_modified_date) {
     set_modified_date_ = set_modified_date;
   }
@@ skipping 20 matching lines @@
   }
   void set_last_viewed_by_me_date(const base::Time& last_viewed_by_me_date) {
     last_viewed_by_me_date_ = last_viewed_by_me_date;
   }
 
   const std::vector<std::string>& parents() const { return parents_; }
   void add_parent(const std::string& parent) { parents_.push_back(parent); }
 
  protected:
   // Overridden from URLFetchRequestBase.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual std::vector<std::string> GetExtraRequestHeaders() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  std::vector<std::string> GetExtraRequestHeaders() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
 
   std::string file_id_;
   bool set_modified_date_;
   bool update_viewed_date_;
 
   std::string title_;
   base::Time modified_date_;
   base::Time last_viewed_by_me_date_;
   std::vector<std::string> parents_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesPatchRequest);
 };
 
 //============================= FilesCopyRequest ==============================
 
 // This class performs the request for copying a resource.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/copy
 class FilesCopyRequest : public DriveApiDataRequest<FileResource> {
  public:
   // Upon completion, |callback| will be called. |callback| must not be null.
   FilesCopyRequest(RequestSender* sender,
                    const DriveApiUrlGenerator& url_generator,
                    const FileResourceCallback& callback);
-  virtual ~FilesCopyRequest();
+  ~FilesCopyRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
 
   // Optional request body.
   const std::vector<std::string>& parents() const { return parents_; }
   void add_parent(const std::string& parent) { parents_.push_back(parent); }
 
   const base::Time& modified_date() const { return modified_date_; }
   void set_modified_date(const base::Time& modified_date) {
     modified_date_ = modified_date;
   }
 
   const std::string& title() const { return title_; }
   void set_title(const std::string& title) { title_ = title; }
 
  protected:
   // Overridden from URLFetchRequestBase.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
 
   std::string file_id_;
   base::Time modified_date_;
   std::vector<std::string> parents_;
   std::string title_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesCopyRequest);
 };
 
 //============================= FilesListRequest =============================
 
 // This class performs the request for fetching FileList.
 // The result may contain only first part of the result. The remaining result
 // should be able to be fetched by ContinueGetFileListRequest defined below,
 // or by FilesListRequest with setting page token.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/list
 class FilesListRequest : public DriveApiDataRequest<FileList> {
  public:
   FilesListRequest(RequestSender* sender,
                    const DriveApiUrlGenerator& url_generator,
                    const FileListCallback& callback);
-  virtual ~FilesListRequest();
+  ~FilesListRequest() override;
 
   // Optional parameter
   int max_results() const { return max_results_; }
   void set_max_results(int max_results) { max_results_ = max_results; }
 
   const std::string& page_token() const { return page_token_; }
   void set_page_token(const std::string& page_token) {
     page_token_ = page_token;
   }
 
   const std::string& q() const { return q_; }
   void set_q(const std::string& q) { q_ = q; }
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   int max_results_;
   std::string page_token_;
   std::string q_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesListRequest);
 };
 
 //========================= FilesListNextPageRequest ==========================
 
 // There are two ways to obtain next pages of "Files: list" result (if paged).
 // 1) Set pageToken and all params used for the initial request.
 // 2) Use URL in the nextLink field in the previous response.
 // This class implements 2)'s request.
 class FilesListNextPageRequest : public DriveApiDataRequest<FileList> {
  public:
   FilesListNextPageRequest(RequestSender* sender,
                            const FileListCallback& callback);
-  virtual ~FilesListNextPageRequest();
+  ~FilesListNextPageRequest() override;
 
   const GURL& next_link() const { return next_link_; }
   void set_next_link(const GURL& next_link) { next_link_ = next_link; }
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   GURL next_link_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesListNextPageRequest);
 };
 
 //============================= FilesDeleteRequest =============================
 
 // This class performs the request for deleting a resource.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/delete
 class FilesDeleteRequest : public EntryActionRequest {
  public:
   FilesDeleteRequest(RequestSender* sender,
                      const DriveApiUrlGenerator& url_generator,
                      const EntryActionCallback& callback);
-  virtual ~FilesDeleteRequest();
+  ~FilesDeleteRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
   void set_etag(const std::string& etag) { etag_ = etag; }
 
  protected:
   // Overridden from UrlFetchRequestBase.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual GURL GetURL() const override;
-  virtual std::vector<std::string> GetExtraRequestHeaders() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  GURL GetURL() const override;
+  std::vector<std::string> GetExtraRequestHeaders() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string file_id_;
   std::string etag_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesDeleteRequest);
 };
 
 //============================= FilesTrashRequest ==============================
 
 // This class performs the request for trashing a resource.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/trash
 class FilesTrashRequest : public DriveApiDataRequest<FileResource> {
  public:
   FilesTrashRequest(RequestSender* sender,
                     const DriveApiUrlGenerator& url_generator,
                     const FileResourceCallback& callback);
-  virtual ~FilesTrashRequest();
+  ~FilesTrashRequest() override;
 
   // Required parameter.
   const std::string& file_id() const { return file_id_; }
   void set_file_id(const std::string& file_id) { file_id_ = file_id; }
 
  protected:
   // Overridden from UrlFetchRequestBase.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
 
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string file_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FilesTrashRequest);
 };
 
 //============================== AboutGetRequest =============================
 
 // This class performs the request for fetching About data.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/about/get
 class AboutGetRequest : public DriveApiDataRequest<AboutResource> {
  public:
   AboutGetRequest(RequestSender* sender,
                   const DriveApiUrlGenerator& url_generator,
                   const AboutResourceCallback& callback);
-  virtual ~AboutGetRequest();
+  ~AboutGetRequest() override;
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
 
   DISALLOW_COPY_AND_ASSIGN(AboutGetRequest);
 };
 
 //============================ ChangesListRequest ============================
 
 // This class performs the request for fetching ChangeList.
 // The result may contain only first part of the result. The remaining result
 // should be able to be fetched by ContinueGetFileListRequest defined below.
 // or by ChangesListRequest with setting page token.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/changes/list
 class ChangesListRequest : public DriveApiDataRequest<ChangeList> {
  public:
   ChangesListRequest(RequestSender* sender,
                      const DriveApiUrlGenerator& url_generator,
                      const ChangeListCallback& callback);
-  virtual ~ChangesListRequest();
+  ~ChangesListRequest() override;
 
   // Optional parameter
   bool include_deleted() const { return include_deleted_; }
   void set_include_deleted(bool include_deleted) {
     include_deleted_ = include_deleted;
   }
 
   int max_results() const { return max_results_; }
   void set_max_results(int max_results) { max_results_ = max_results; }
 
   const std::string& page_token() const { return page_token_; }
   void set_page_token(const std::string& page_token) {
     page_token_ = page_token;
   }
 
   int64 start_change_id() const { return start_change_id_; }
   void set_start_change_id(int64 start_change_id) {
     start_change_id_ = start_change_id;
   }
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   bool include_deleted_;
   int max_results_;
   std::string page_token_;
   int64 start_change_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ChangesListRequest);
 };
 
 //======================== ChangesListNextPageRequest =========================
 
 // There are two ways to obtain next pages of "Changes: list" result (if paged).
 // 1) Set pageToken and all params used for the initial request.
 // 2) Use URL in the nextLink field in the previous response.
 // This class implements 2)'s request.
 class ChangesListNextPageRequest : public DriveApiDataRequest<ChangeList> {
  public:
   ChangesListNextPageRequest(RequestSender* sender,
                              const ChangeListCallback& callback);
-  virtual ~ChangesListNextPageRequest();
+  ~ChangesListNextPageRequest() override;
 
   const GURL& next_link() const { return next_link_; }
   void set_next_link(const GURL& next_link) { next_link_ = next_link; }
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   GURL next_link_;
 
   DISALLOW_COPY_AND_ASSIGN(ChangesListNextPageRequest);
 };
 
 //============================= AppsListRequest ============================
 
 // This class performs the request for fetching AppList.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/apps/list
 class AppsListRequest : public DriveApiDataRequest<AppList> {
  public:
   AppsListRequest(RequestSender* sender,
                   const DriveApiUrlGenerator& url_generator,
                   bool use_internal_endpoint,
                   const AppListCallback& callback);
-  virtual ~AppsListRequest();
+  ~AppsListRequest() override;
 
  protected:
   // Overridden from DriveApiDataRequest.
-  virtual GURL GetURLInternal() const override;
+  GURL GetURLInternal() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   bool use_internal_endpoint_;
 
   DISALLOW_COPY_AND_ASSIGN(AppsListRequest);
 };
 
 //============================= AppsDeleteRequest ==============================
 
 // This class performs the request for deleting a Drive app.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/files/trash
 class AppsDeleteRequest : public EntryActionRequest {
  public:
   AppsDeleteRequest(RequestSender* sender,
                     const DriveApiUrlGenerator& url_generator,
                     const EntryActionCallback& callback);
-  virtual ~AppsDeleteRequest();
+  ~AppsDeleteRequest() override;
 
   // Required parameter.
   const std::string& app_id() const { return app_id_; }
   void set_app_id(const std::string& app_id) { app_id_ = app_id; }
 
  protected:
   // Overridden from UrlFetchRequestBase.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  GURL GetURL() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string app_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AppsDeleteRequest);
 };
 
 //========================== ChildrenInsertRequest ============================
 
 // This class performs the request for inserting a resource to a directory.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/children/insert
 class ChildrenInsertRequest : public EntryActionRequest {
  public:
   ChildrenInsertRequest(RequestSender* sender,
                         const DriveApiUrlGenerator& url_generator,
                         const EntryActionCallback& callback);
-  virtual ~ChildrenInsertRequest();
+  ~ChildrenInsertRequest() override;
 
   // Required parameter.
   const std::string& folder_id() const { return folder_id_; }
   void set_folder_id(const std::string& folder_id) {
     folder_id_ = folder_id;
   }
 
   // Required body.
   const std::string& id() const { return id_; }
   void set_id(const std::string& id) { id_ = id; }
 
  protected:
   // UrlFetchRequestBase overrides.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual GURL GetURL() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  GURL GetURL() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string folder_id_;
   std::string id_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildrenInsertRequest);
 };
 
 //========================== ChildrenDeleteRequest ============================
 
 // This class performs the request for removing a resource from a directory.
 // This request is mapped to
 // https://developers.google.com/drive/v2/reference/children/delete
 class ChildrenDeleteRequest : public EntryActionRequest {
  public:
   // |callback| must not be null.
   ChildrenDeleteRequest(RequestSender* sender,
                         const DriveApiUrlGenerator& url_generator,
                         const EntryActionCallback& callback);
-  virtual ~ChildrenDeleteRequest();
+  ~ChildrenDeleteRequest() override;
 
   // Required parameter.
   const std::string& child_id() const { return child_id_; }
   void set_child_id(const std::string& child_id) {
     child_id_ = child_id;
   }
 
   const std::string& folder_id() const { return folder_id_; }
   void set_folder_id(const std::string& folder_id) {
     folder_id_ = folder_id;
   }
 
  protected:
   // UrlFetchRequestBase overrides.
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  GURL GetURL() const override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string child_id_;
   std::string folder_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildrenDeleteRequest);
 };
 
 //======================= InitiateUploadNewFileRequest =======================
 
 // This class performs the request for initiating the upload of a new file.
 class InitiateUploadNewFileRequest : public InitiateUploadRequestBase {
  public:
   // |parent_resource_id| should be the resource id of the parent directory.
   // |title| should be set.
   // See also the comments of InitiateUploadRequestBase for more details
   // about the other parameters.
   InitiateUploadNewFileRequest(RequestSender* sender,
                                const DriveApiUrlGenerator& url_generator,
                                const std::string& content_type,
                                int64 content_length,
                                const std::string& parent_resource_id,
                                const std::string& title,
                                const InitiateUploadCallback& callback);
-  virtual ~InitiateUploadNewFileRequest();
+  ~InitiateUploadNewFileRequest() override;
 
   // Optional parameters.
   const base::Time& modified_date() const { return modified_date_; }
   void set_modified_date(const base::Time& modified_date) {
     modified_date_ = modified_date;
   }
   const base::Time& last_viewed_by_me_date() const {
     return last_viewed_by_me_date_;
   }
   void set_last_viewed_by_me_date(const base::Time& last_viewed_by_me_date) {
     last_viewed_by_me_date_ = last_viewed_by_me_date;
   }
 
  protected:
   // UrlFetchRequestBase overrides.
-  virtual GURL GetURL() const override;
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   const std::string parent_resource_id_;
   const std::string title_;
 
   base::Time modified_date_;
   base::Time last_viewed_by_me_date_;
 
   DISALLOW_COPY_AND_ASSIGN(InitiateUploadNewFileRequest);
@@ skipping 10 matching lines @@
   // |etag| should be set if it is available to detect the upload confliction.
   // See also the comments of InitiateUploadRequestBase for more details
   // about the other parameters.
   InitiateUploadExistingFileRequest(RequestSender* sender,
                                     const DriveApiUrlGenerator& url_generator,
                                     const std::string& content_type,
                                     int64 content_length,
                                     const std::string& resource_id,
                                     const std::string& etag,
                                     const InitiateUploadCallback& callback);
-  virtual ~InitiateUploadExistingFileRequest();
-
+  ~InitiateUploadExistingFileRequest() override;
 
   // Optional parameters.
   const std::string& parent_resource_id() const { return parent_resource_id_; }
   void set_parent_resource_id(const std::string& parent_resource_id) {
     parent_resource_id_ = parent_resource_id;
   }
   const std::string& title() const { return title_; }
   void set_title(const std::string& title) { title_ = title; }
   const base::Time& modified_date() const { return modified_date_; }
   void set_modified_date(const base::Time& modified_date) {
     modified_date_ = modified_date;
   }
   const base::Time& last_viewed_by_me_date() const {
     return last_viewed_by_me_date_;
   }
   void set_last_viewed_by_me_date(const base::Time& last_viewed_by_me_date) {
     last_viewed_by_me_date_ = last_viewed_by_me_date;
   }
 
  protected:
   // UrlFetchRequestBase overrides.
-  virtual GURL GetURL() const override;
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual std::vector<std::string> GetExtraRequestHeaders() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  std::vector<std::string> GetExtraRequestHeaders() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   const std::string resource_id_;
   const std::string etag_;
 
   std::string parent_resource_id_;
   std::string title_;
   base::Time modified_date_;
   base::Time last_viewed_by_me_date_;
@@ skipping 15 matching lines @@
   // |callback| must not be null. |progress_callback| may be null.
   ResumeUploadRequest(RequestSender* sender,
                       const GURL& upload_location,
                       int64 start_position,
                       int64 end_position,
                       int64 content_length,
                       const std::string& content_type,
                       const base::FilePath& local_file_path,
                       const UploadRangeCallback& callback,
                       const ProgressCallback& progress_callback);
-  virtual ~ResumeUploadRequest();
+  ~ResumeUploadRequest() override;
 
  protected:
   // UploadRangeRequestBase overrides.
-  virtual void OnRangeRequestComplete(
-      const UploadRangeResponse& response,
-      scoped_ptr<base::Value> value) override;
+  void OnRangeRequestComplete(const UploadRangeResponse& response,
+                              scoped_ptr<base::Value> value) override;
   // content::UrlFetcherDelegate overrides.
-  virtual void OnURLFetchUploadProgress(const net::URLFetcher* source,
-                                        int64 current, int64 total) override;
+  void OnURLFetchUploadProgress(const net::URLFetcher* source,
+                                int64 current,
+                                int64 total) override;
 
  private:
   const UploadRangeCallback callback_;
   const ProgressCallback progress_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ResumeUploadRequest);
 };
 
 //========================== GetUploadStatusRequest ==========================
 
 // Performs the request to fetch the current upload status of a file.
 class GetUploadStatusRequest : public GetUploadStatusRequestBase {
  public:
   // See also GetUploadStatusRequestBase's comment for parameters meaning.
   // |callback| must not be null.
   GetUploadStatusRequest(RequestSender* sender,
                          const GURL& upload_url,
                          int64 content_length,
                          const UploadRangeCallback& callback);
-  virtual ~GetUploadStatusRequest();
+  ~GetUploadStatusRequest() override;
 
  protected:
   // UploadRangeRequestBase overrides.
-  virtual void OnRangeRequestComplete(
-      const UploadRangeResponse& response,
-      scoped_ptr<base::Value> value) override;
+  void OnRangeRequestComplete(const UploadRangeResponse& response,
+                              scoped_ptr<base::Value> value) override;
 
  private:
   const UploadRangeCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(GetUploadStatusRequest);
 };
 
 //========================== DownloadFileRequest ==========================
 
 // This class performs the request for downloading of a specified file.
 class DownloadFileRequest : public DownloadFileRequestBase {
  public:
   // See also DownloadFileRequestBase's comment for parameters meaning.
   DownloadFileRequest(RequestSender* sender,
                       const DriveApiUrlGenerator& url_generator,
                       const std::string& resource_id,
                       const base::FilePath& output_file_path,
                       const DownloadActionCallback& download_action_callback,
                       const GetContentCallback& get_content_callback,
                       const ProgressCallback& progress_callback);
-  virtual ~DownloadFileRequest();
+  ~DownloadFileRequest() override;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadFileRequest);
 };
 
 //========================== PermissionsInsertRequest ==========================
 
 // Enumeration type for specifying type of permissions.
 enum PermissionType {
   PERMISSION_TYPE_ANYONE,
   PERMISSION_TYPE_DOMAIN,
   PERMISSION_TYPE_GROUP,
   PERMISSION_TYPE_USER,
 };
 
 // Enumeration type for specifying the role of permissions.
 enum PermissionRole {
   PERMISSION_ROLE_OWNER,
   PERMISSION_ROLE_READER,
   PERMISSION_ROLE_WRITER,
   PERMISSION_ROLE_COMMENTER,
 };
 
 // This class performs the request for adding permission on a specified file.
 class PermissionsInsertRequest : public EntryActionRequest {
  public:
   // See https://developers.google.com/drive/v2/reference/permissions/insert.
   PermissionsInsertRequest(RequestSender* sender,
                            const DriveApiUrlGenerator& url_generator,
                            const EntryActionCallback& callback);
-  virtual ~PermissionsInsertRequest();
+  ~PermissionsInsertRequest() override;
 
   void set_id(const std::string& id) { id_ = id; }
   void set_type(PermissionType type) { type_ = type; }
   void set_role(PermissionRole role) { role_ = role; }
   void set_value(const std::string& value) { value_ = value; }
 
   // UrlFetchRequestBase overrides.
-  virtual GURL GetURL() const override;
-  virtual net::URLFetcher::RequestType GetRequestType() const override;
-  virtual bool GetContentData(std::string* upload_content_type,
-                              std::string* upload_content) override;
+  GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+  bool GetContentData(std::string* upload_content_type,
+                      std::string* upload_content) override;
 
  private:
   const DriveApiUrlGenerator url_generator_;
   std::string id_;
   PermissionType type_;
   PermissionRole role_;
   std::string value_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionsInsertRequest);
 };
 
 }  // namespace drive
 }  // namespace google_apis
 
 #endif  // GOOGLE_APIS_DRIVE_DRIVE_API_REQUESTS_H_