Remove HostDesktopType from sessions and tab restore

components/sessions/core/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 COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_CLIENT_H_
 #define COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_CLIENT_H_
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 18 matching lines @@
 // The second parameter is the id of the window that was last active.
 typedef base::Callback<void(ScopedVector<SessionWindow>, SessionID::id_type)>
     GetLastSessionCallback;
 
 // A client interface that needs to be supplied to the tab restore service by
 // the embedder.
 class SESSIONS_EXPORT TabRestoreServiceClient {
  public:
   virtual ~TabRestoreServiceClient();
 
-  // Creates a LiveTabContext instance that is associated with
-  // |host_desktop_type| and |app_name|. May return nullptr (e.g., if the
-  // embedder does not support LiveTabContext functionality).
-  // Note that |host_desktop_type| is opaque to the component; the only values
-  // that will be passed here are those that have been passed *in* to the
-  // component from the embedder via TabRestoreService.
-  virtual LiveTabContext* CreateLiveTabContext(int host_desktop_type,
-                                               const std::string& app_name) = 0;
+  // Creates a LiveTabContext instance that is associated with |app_name|. May
+  // return nullptr (e.g., if the embedder does not support LiveTabContext
+  // functionality).
+  virtual LiveTabContext* CreateLiveTabContext(const std::string& app_name) = 0;
 
   // Returns the LiveTabContext instance that is associated with
   // |tab|, or null if there is no such instance.
   virtual LiveTabContext* FindLiveTabContextForTab(const LiveTab* tab) = 0;
 
-  // Returns the LiveTabContext instance that is associated with
-  // |desired_id| and |host_desktop_type|, or null if there is no such instance.
-  // Note that |host_desktop_type| is opaque to the component; the only values
-  // that will be passed here are those that have been passed *in* to the
-  // component from the embedder via TabRestoreService.
+  // Returns the LiveTabContext instance that is associated with |desired_id|,
+  // or null if there is no such instance.
   virtual LiveTabContext* FindLiveTabContextWithID(
-      SessionID::id_type desired_id,
-      int host_desktop_type) = 0;
+      SessionID::id_type desired_id) = 0;
 
   // Returns whether a given URL should be tracked for restoring.
   virtual bool ShouldTrackURLForRestore(const GURL& url) = 0;
 
   // Returns the extension app ID for the given LiveTab, or the empty string
   // if there is no such ID (e.g., if extensions are not supported by the
   // embedder).
   virtual std::string GetExtensionAppIDForTab(LiveTab* tab) = 0;
 
   // Get the sequenced worker pool for running tasks on the backend thread as
@@ skipping 16 matching lines @@
                               base::CancelableTaskTracker* tracker) = 0;
 
   // Called when a tab is restored. |url| is the URL that the tab is currently
   // visiting.
   virtual void OnTabRestored(const GURL& url);
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_CLIENT_H_