Remove Profile-keyed factory boilerplate: cookies, managed_mode & web_navigation

chrome/browser/extensions/api/cookies/cookies_api.cc

Index: chrome/browser/extensions/api/cookies/cookies_api.cc
diff --git a/chrome/browser/extensions/api/cookies/cookies_api.cc b/chrome/browser/extensions/api/cookies/cookies_api.cc
index f5e10fd4d9925da84e17661aed921cec04cc4cb2..a0e54ad849ec0d2f176203a89932212a192ec46e 100644
--- a/chrome/browser/extensions/api/cookies/cookies_api.cc
+++ b/chrome/browser/extensions/api/cookies/cookies_api.cc
@@ -10,6 +10,7 @@
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
+#include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ -561,4 +562,13 @@ void CookiesAPI::OnListenerAdded(
   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
 }
 
+static base::LazyInstance<ProfileKeyedAPIFactory<CookiesAPI> >
+g_factory = LAZY_INSTANCE_INITIALIZER;
+
+template <>
+ProfileKeyedAPIFactory<CookiesAPI>*
+ProfileKeyedAPIFactory<CookiesAPI>::GetInstance() {
+  return &g_factory.Get();
+}
+
 }  // namespace extensions