Ninth patch in making destructors of refcounted objects private.

BUG=26749

Review URL: http://codereview.chromium.org/372013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31357 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/chrome/browser/thumbnail_store.h b/chrome/browser/thumbnail_store.h
index d54c5d4..ed95a02 100644
--- a/chrome/browser/thumbnail_store.h
+++ b/chrome/browser/thumbnail_store.h
@@ -39,7 +39,6 @@ class ThumbnailStore : public base::RefCountedThreadSafe<ThumbnailStore>,
                        public NotificationObserver {
  public:
   ThumbnailStore();
-  ~ThumbnailStore();
 
   // Must be called before {Set,Get}PageThumbnail.  |db_name| is the location
   // of an existing ThumbnailStore database or where to create a new one.
@@ -63,12 +62,15 @@ class ThumbnailStore : public base::RefCountedThreadSafe<ThumbnailStore>,
   void Shutdown();
 
  private:
+  friend class base::RefCountedThreadSafe<ThumbnailStore>;
   FRIEND_TEST(ThumbnailStoreTest, RetrieveFromCache);
   FRIEND_TEST(ThumbnailStoreTest, RetrieveFromDisk);
   FRIEND_TEST(ThumbnailStoreTest, UpdateThumbnail);
   FRIEND_TEST(ThumbnailStoreTest, FollowRedirects);
   friend class ThumbnailStoreTest;
 
+  ~ThumbnailStore();
+
   struct CacheEntry {
     scoped_refptr<RefCountedBytes> data_;
     ThumbnailScore score_;