Allow OpenSSLPrivateKeyStore and Android global app context leaking.

net/base/openssl_private_key_store_android.cc

Index: net/base/openssl_private_key_store_android.cc
===================================================================
--- net/base/openssl_private_key_store_android.cc	(revision 154951)
+++ net/base/openssl_private_key_store_android.cc	(working copy)
@@ -47,13 +47,20 @@
   }
 
   static OpenSSLKeyStoreAndroid* GetInstance() {
-    return Singleton<OpenSSLKeyStoreAndroid>::get();
+    // Leak the OpenSSL key store as it is used from a non-joinable worker
+    // thread that may still be running at shutdown.
+    return Singleton<
+        OpenSSLKeyStoreAndroid,
+        OpenSSLKeyStoreAndroidLeakyTraits>::get();
   }
 
  private:
-  OpenSSLKeyStoreAndroid() {}
   friend struct DefaultSingletonTraits<OpenSSLKeyStoreAndroid>;
+  typedef LeakySingletonTraits<OpenSSLKeyStoreAndroid>
+      OpenSSLKeyStoreAndroidLeakyTraits;
 
+  OpenSSLKeyStoreAndroid() {}
+
   DISALLOW_COPY_AND_ASSIGN(OpenSSLKeyStoreAndroid);
 };