Update from https://crrev.com/309415

net/cookies/cookie_monster.cc

Index: net/cookies/cookie_monster.cc
diff --git a/net/cookies/cookie_monster.cc b/net/cookies/cookie_monster.cc
index e879a8faca7b700cc835deae40c13477892a4a02..d3186471372e8a448f2d9b61e06cd8a6c75e1e75 100644
--- a/net/cookies/cookie_monster.cc
+++ b/net/cookies/cookie_monster.cc
@@ -552,6 +552,9 @@ class CookieMonster::DeleteTask : public CookieMonsterTask {
   // CookieMonsterTask:
   virtual void Run() override;
 
+ protected:
+  ~DeleteTask() override;
+
  private:
   // Runs the delete task and returns a result.
   virtual Result RunDeleteTask() = 0;
@@ -564,8 +567,12 @@ class CookieMonster::DeleteTask : public CookieMonsterTask {
 };
 
 template <typename Result>
-base::Closure CookieMonster::DeleteTask<Result>::
-RunDeleteTaskAndBindCallback() {
+CookieMonster::DeleteTask<Result>::~DeleteTask() {
+}
+
+template <typename Result>
+base::Closure
+CookieMonster::DeleteTask<Result>::RunDeleteTaskAndBindCallback() {
   Result result = RunDeleteTask();
   if (callback_.is_null())
     return base::Closure();