Replace TestingProfile::GetCookieMonster with GetCookieStore.

chrome/test/base/testing_profile.h

Index: chrome/test/base/testing_profile.h
diff --git a/chrome/test/base/testing_profile.h b/chrome/test/base/testing_profile.h
index ea71e8a8b50982eedb725b1894fa920cee4e586d..c177c72965ca04fbad2dcf6773fa772c6d89416a 100644
--- a/chrome/test/base/testing_profile.h
+++ b/chrome/test/base/testing_profile.h
@@ -29,7 +29,7 @@ class ZoomLevelDelegate;
 }
 
 namespace net {
-class CookieMonster;
+class CookieStore;
 class URLRequestContextGetter;
 }
 
@@ -269,7 +269,7 @@ class TestingProfile : public Profile {
   // TODO(ajwong): Remove this API in favor of directly retrieving the
   // CookieStore from the StoragePartition after ExtensionURLRequestContext
   // has been removed.
-  net::CookieMonster* GetCookieMonster();
+  net::CookieStore* GetCookieStore();
 
   PrefService* GetPrefs() override;
   const PrefService* GetPrefs() const override;