[downloads] Remove DownloadManager::RemoveAllDownloads.

content/browser/download/download_manager_impl.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 CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 60 matching lines @@
   void GetAllDownloads(DownloadVector* result) override;
   void StartDownload(
       std::unique_ptr<DownloadCreateInfo> info,
       std::unique_ptr<ByteStreamReader> stream,
       const DownloadUrlParameters::OnStartedCallback& on_started) override;
 
   int RemoveDownloadsByURLAndTime(
       const base::Callback<bool(const GURL&)>& url_filter,
       base::Time remove_begin,
       base::Time remove_end) override;
-  int RemoveAllDownloads() override;
   void DownloadUrl(std::unique_ptr<DownloadUrlParameters> params) override;
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   content::DownloadItem* CreateDownloadItem(
       const std::string& guid,
       uint32_t id,
       const base::FilePath& current_path,
       const base::FilePath& target_path,
       const std::vector<GURL>& url_chain,
       const GURL& referrer_url,
@@ skipping 41 matching lines @@
       bool is_content_initiated,
       int render_process_id,
       int render_view_route_id,
       int render_frame_route_id,
       bool do_not_prompt_for_login);
 
  private:
   using DownloadSet = std::set<DownloadItem*>;
   using DownloadGuidMap = std::unordered_map<std::string, DownloadItemImpl*>;
   using DownloadItemImplVector = std::vector<DownloadItemImpl*>;
-  using DownloadRemover = base::Callback<bool(const DownloadItemImpl*)>;
 
   // For testing.
   friend class DownloadManagerTest;
   friend class DownloadTest;
 
   void StartDownloadWithId(
       std::unique_ptr<DownloadCreateInfo> info,
       std::unique_ptr<ByteStreamReader> stream,
       const DownloadUrlParameters::OnStartedCallback& on_started,
       bool new_download,
@@ skipping 14 matching lines @@
 
   // Get next download id. |callback| is called on the UI thread and may
   // be called synchronously.
   void GetNextId(const DownloadIdCallback& callback);
 
   // Called with the result of DownloadManagerDelegate::CheckForFileExistence.
   // Updates the state of the file and then notifies this update to the file's
   // observer.
   void OnFileExistenceChecked(uint32_t download_id, bool result);
 
-  // Remove all downloads for which |remover| returns true.
-  int RemoveDownloads(const DownloadRemover& remover);
-
   // Overridden from DownloadItemImplDelegate
   // (Note that |GetBrowserContext| are present in both interfaces.)
   void DetermineDownloadTarget(DownloadItemImpl* item,
                                const DownloadTargetCallback& callback) override;
   bool ShouldCompleteDownload(DownloadItemImpl* item,
                               const base::Closure& complete_callback) override;
   bool ShouldOpenFileBasedOnExtension(const base::FilePath& path) override;
   bool ShouldOpenDownload(DownloadItemImpl* item,
                           const ShouldOpenDownloadCallback& callback) override;
   void CheckForFileRemoval(DownloadItemImpl* download_item) override;
@@ skipping 47 matching lines @@
       url_downloaders_;
 
   base::WeakPtrFactory<DownloadManagerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_