Change scoped_ptr to std::unique_ptr in //net.

net/cookies/cookie_monster.h

Index: net/cookies/cookie_monster.h
diff --git a/net/cookies/cookie_monster.h b/net/cookies/cookie_monster.h
index 4d36c62dd370fec67828623b0af2b31343320575..b31ac6d4b6fab663ea60ddd0b2b17ba3a651c3b1 100644
--- a/net/cookies/cookie_monster.h
+++ b/net/cookies/cookie_monster.h
@@ -12,6 +12,7 @@
 
 #include <deque>
 #include <map>
+#include <memory>
 #include <queue>
 #include <set>
 #include <string>
@@ -23,7 +24,6 @@
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
@@ -210,7 +210,7 @@ class NET_EXPORT CookieMonster : public CookieStore {
   static const char* const kDefaultCookieableSchemes[];
   static const int kDefaultCookieableSchemesCount;
 
-  scoped_ptr<CookieChangedSubscription> AddCallbackForCookie(
+  std::unique_ptr<CookieChangedSubscription> AddCallbackForCookie(
       const GURL& url,
       const std::string& name,
       const CookieChangedCallback& callback) override;
@@ -519,7 +519,7 @@ class NET_EXPORT CookieMonster : public CookieStore {
 
   // Helper function that sets a canonical cookie, deleting equivalents and
   // performing garbage collection.
-  bool SetCanonicalCookie(scoped_ptr<CanonicalCookie> cc,
+  bool SetCanonicalCookie(std::unique_ptr<CanonicalCookie> cc,
                           const CookieOptions& options);
 
   // Helper function calling SetCanonicalCookie() for all cookies in |list|.