Part 1 of repairing regressions to my old clang check plugins so Nico can

chrome/browser/sync/glue/session_model_associator.h

Index: chrome/browser/sync/glue/session_model_associator.h
diff --git a/chrome/browser/sync/glue/session_model_associator.h b/chrome/browser/sync/glue/session_model_associator.h
index cff376feea4f6a2af7c2e6f8226eebca134b1d64..b6746cf3801584dd28396fdf03a7b4b9db39c15c 100644
--- a/chrome/browser/sync/glue/session_model_associator.h
+++ b/chrome/browser/sync/glue/session_model_associator.h
@@ -77,17 +77,11 @@ class SessionModelAssociator
   virtual int64 GetSyncIdFromSessionTag(const std::string& tag);
 
   // Not used.
-  virtual const TabContents* GetChromeNodeFromSyncId(int64 sync_id) {
-    NOTREACHED();
-    return NULL;
-  }
+  virtual const TabContents* GetChromeNodeFromSyncId(int64 sync_id);
 
   // Not used.
-  bool InitSyncNodeFromChromeId(const size_t& id,
-                                sync_api::BaseNode* sync_node) {
-    NOTREACHED();
-    return false;
-  }
+  virtual bool InitSyncNodeFromChromeId(const size_t& id,
+                                        sync_api::BaseNode* sync_node);
 
   // Resync local window information. Updates the local sessions header node
   // with the status of open windows and the order of tabs they contain. Should
@@ -224,6 +218,7 @@ class SessionModelAssociator
   class TabNodePool {
    public:
     explicit TabNodePool(ProfileSyncService* sync_service);
+    ~TabNodePool();
 
     // Add a previously allocated tab sync node to our pool. Increases the size
     // of tab_syncid_pool_ by one and marks the new tab node as free.