[Sync] Refactor handling of session tabs

chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h

Index: chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
diff --git a/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h b/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
index c499ccdadaa1888b3b2b7fb7c0b285bc38ae58d1..51ddf7e73eff8f8eb93b26d6606fd921a14f9889 100644
--- a/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
+++ b/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
@@ -22,14 +22,14 @@ class TabContentsSyncedTabDelegate
   virtual SessionID::id_type GetSessionId() const OVERRIDE;
   virtual bool IsBeingDestroyed() const OVERRIDE;
   virtual Profile* profile() const OVERRIDE;
-  virtual bool HasExtensionAppId() const OVERRIDE;
-  virtual const std::string& GetExtensionAppId() const OVERRIDE;
+  virtual std::string GetExtensionAppId() const OVERRIDE;
   virtual int GetCurrentEntryIndex() const OVERRIDE;
   virtual int GetEntryCount() const OVERRIDE;
   virtual int GetPendingEntryIndex() const OVERRIDE;
   virtual content::NavigationEntry* GetPendingEntry() const OVERRIDE;
   virtual content::NavigationEntry* GetEntryAtIndex(int i) const OVERRIDE;
   virtual content::NavigationEntry* GetActiveEntry() const OVERRIDE;
+  virtual bool IsPinned() const OVERRIDE;
 
  private:
   TabContents* tab_contents_;