Do not submit: high level overview patch.

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 62717c4ec3deaecdedf52d8b225d85d245197ff9..e09fdfda8d30b1855f45f6581dfec6254400586b 100644
--- a/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
+++ b/chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h
@@ -21,8 +21,8 @@ class TabContentsSyncedTabDelegate
   virtual ~TabContentsSyncedTabDelegate();
 
   // Methods from SyncedTabDelegate.
-  virtual SessionID::id_type GetWindowId() const OVERRIDE;
-  virtual SessionID::id_type GetSessionId() const OVERRIDE;
+  virtual const SessionID& GetWindowId() const OVERRIDE;
+  virtual const SessionID& GetSessionId() const OVERRIDE;
   virtual bool IsBeingDestroyed() const OVERRIDE;
   virtual Profile* profile() const OVERRIDE;
   virtual std::string GetExtensionAppId() const OVERRIDE;
@@ -33,6 +33,9 @@ class TabContentsSyncedTabDelegate
   virtual content::NavigationEntry* GetEntryAtIndex(int i) const OVERRIDE;
   virtual content::NavigationEntry* GetActiveEntry() const OVERRIDE;
   virtual bool IsPinned() const OVERRIDE;
+  virtual int64 GetSyncSessionId() const OVERRIDE;
+  virtual void SetSyncSessionId(const int64 sync_id) OVERRIDE;
+  virtual bool IsTabInMemory() const OVERRIDE;
 
  private:
   explicit TabContentsSyncedTabDelegate(content::WebContents* web_contents);