Remove HostDesktopType from sessions and tab restore

ios/chrome/browser/sessions/ios_chrome_tab_restore_service_client.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_SESSIONS_IOS_CHROME_TAB_RESTORE_SERVICE_CLIENT_H_
 #define IOS_CHROME_BROWSER_SESSIONS_IOS_CHROME_TAB_RESTORE_SERVICE_CLIENT_H_
 
 #include "base/macros.h"
 #include "components/sessions/core/tab_restore_service_client.h"
 
 namespace ios {
 class ChromeBrowserState;
 }
 
 // IOSChromeTabRestoreServiceClient provides an implementation of
 // TabRestoreServiceClient that depends on ios/chrome/.
 class IOSChromeTabRestoreServiceClient
     : public sessions::TabRestoreServiceClient {
  public:
   explicit IOSChromeTabRestoreServiceClient(
       ios::ChromeBrowserState* browser_state);
   ~IOSChromeTabRestoreServiceClient() override;
 
  private:
   // TabRestoreServiceClient:
   sessions::LiveTabContext* CreateLiveTabContext(
-      int host_desktop_type,
       const std::string& app_name) override;
   sessions::LiveTabContext* FindLiveTabContextForTab(
       const sessions::LiveTab* tab) override;
   sessions::LiveTabContext* FindLiveTabContextWithID(
-      SessionID::id_type desired_id,
-      int host_desktop_type) override;
+      SessionID::id_type desired_id) override;
   bool ShouldTrackURLForRestore(const GURL& url) override;
   std::string GetExtensionAppIDForTab(sessions::LiveTab* tab) override;
   base::SequencedWorkerPool* GetBlockingPool() override;
   base::FilePath GetPathToSaveTo() override;
   GURL GetNewTabURL() override;
   bool HasLastSession() override;
   void GetLastSession(const sessions::GetLastSessionCallback& callback,
                       base::CancelableTaskTracker* tracker) override;
 
   ios::ChromeBrowserState* browser_state_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromeTabRestoreServiceClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_SESSIONS_IOS_CHROME_TAB_RESTORE_SERVICE_CLIENT_H_