SupervisedUserNavigationThrottle: create only for supervised profiles

chrome/browser/supervised_user/supervised_user_navigation_throttle.cc

Index: chrome/browser/supervised_user/supervised_user_navigation_throttle.cc
diff --git a/chrome/browser/supervised_user/supervised_user_navigation_throttle.cc b/chrome/browser/supervised_user/supervised_user_navigation_throttle.cc
index ec74ae4619168776036806ad3ac4fee5cc00944f..852b412ba3d1a804229b72bbb938a00bf99e0e36 100644
--- a/chrome/browser/supervised_user/supervised_user_navigation_throttle.cc
+++ b/chrome/browser/supervised_user/supervised_user_navigation_throttle.cc
@@ -120,7 +120,9 @@ void RecordFilterResultEvent(
 std::unique_ptr<SupervisedUserNavigationThrottle>
 SupervisedUserNavigationThrottle::MaybeCreateThrottleFor(
     content::NavigationHandle* navigation_handle) {
-  if (!navigation_handle->IsInMainFrame())
+  Profile* profile = Profile::FromBrowserContext(
+      navigation_handle->GetWebContents()->GetBrowserContext());
+  if (!profile->IsSupervised() || !navigation_handle->IsInMainFrame())

[Bernhard Bauer, 2017/04/05 09:31:12]

I would split these up into two separate checks.

[Marc Treib, 2017/04/05 11:43:33]

Done.

     return nullptr;
   // Can't use base::MakeUnique because the constructor is private.
   return base::WrapUnique(