Second patch in making destructors of refcounted objects private.

BUG=26749

Review URL: http://codereview.chromium.org/368001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31165 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 0 deletions

diff --git a/net/proxy/single_threaded_proxy_resolver.cc b/net/proxy/single_threaded_proxy_resolver.cc
index ab13fa1..ad5fdba 100644
--- a/net/proxy/single_threaded_proxy_resolver.cc
+++ b/net/proxy/single_threaded_proxy_resolver.cc
@@ -18,6 +18,8 @@ class PurgeMemoryTask : public base::RefCountedThreadSafe<PurgeMemoryTask> {
   explicit PurgeMemoryTask(ProxyResolver* resolver) : resolver_(resolver) {}
   void PurgeMemory() { resolver_->PurgeMemory(); }
  private:
+  friend class base::RefCountedThreadSafe<PurgeMemoryTask>;
+  ~PurgeMemoryTask() {}
   ProxyResolver* resolver_;
 };
 
@@ -60,6 +62,11 @@ class SingleThreadedProxyResolver::SetPacScriptTask
   bool was_cancelled() const { return callback_ == NULL; }
 
  private:
+  friend class base::RefCountedThreadSafe<
+        SingleThreadedProxyResolver::SetPacScriptTask>;
+
+  ~SetPacScriptTask() {}
+
   // Runs on the worker thread.
   void DoRequest(ProxyResolver* resolver) {
     int rv = resolver->expects_pac_bytes() ?
@@ -137,6 +144,10 @@ class SingleThreadedProxyResolver::Job
   bool was_cancelled() const { return callback_ == NULL; }
 
  private:
+  friend class base::RefCountedThreadSafe<SingleThreadedProxyResolver::Job>;
+
+  ~Job() {}
+
   // Runs on the worker thread.
   void DoQuery(ProxyResolver* resolver) {
     LoadLog* worker_log = new LoadLog;