Remove HostDesktopType from sessions and tab restore

components/sessions/core/tab_restore_service.h

 // Copyright 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 COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_H_
 #define COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 138 matching lines @@
   // Removes all entries from the list and notifies observers the list
   // of tabs has changed.
   virtual void ClearEntries() = 0;
 
   // Returns the entries, ordered with most recently closed entries at the
   // front.
   virtual const Entries& entries() const = 0;
 
   // Restores the most recently closed entry. Does nothing if there are no
   // entries to restore. If the most recently restored entry is a tab, it is
-  // added to |context|. |host_desktop_type| is a value that is opaque to this
-  // class and will be used only to pass back to the embedder via
-  // TabRestoreServiceClient if necessary. Returns the LiveTab instances of the
-  // restored tab(s).
+  // added to |context|. Returns the LiveTab instances of the restored tab(s).
   virtual std::vector<LiveTab*> RestoreMostRecentEntry(
-      LiveTabContext* context,
-      int host_desktop_type) = 0;
+      LiveTabContext* context) = 0;
 
   // Removes the Tab with id |id| from the list and returns it; ownership is
   // passed to the caller.
   virtual Tab* RemoveTabEntryById(SessionID::id_type id) = 0;
 
   // Restores an entry by id. If there is no entry with an id matching |id|,
   // this does nothing. If |context| is NULL, this creates a new window for the
   // entry. |disposition| is respected, but the attributes (tabstrip index,
   // browser window) of the tab when it was closed will be respected if
-  // disposition is UNKNOWN.  |host_desktop_type| is a value that is opaque to
-  // this class and will be used only to pass back to the embedder via
-  // TabRestoreServiceClient if necessary.  Returns the LiveTab instances of the
-  // restored tab(s).
+  // disposition is UNKNOWN. Returns the LiveTab instances of the restored
+  // tab(s).
   virtual std::vector<LiveTab*> RestoreEntryById(
       LiveTabContext* context,
       SessionID::id_type id,
-      int host_desktop_type,
       WindowOpenDisposition disposition) = 0;
 
   // Loads the tabs and previous session. This does nothing if the tabs
   // from the previous session have already been loaded.
   virtual void LoadTabsFromLastSession() = 0;
 
   // Returns true if the tab entries have been loaded.
   virtual bool IsLoaded() const = 0;
 
   // Deletes the last session.
@@ skipping 10 matching lines @@
 
  private:
   friend TabRestoreService::Tab;
 
   virtual scoped_ptr<PlatformSpecificTabData> Clone() = 0;
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_H_