[subresource_filter] Remove Forwarding NavigationThrottles

components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc

Index: components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
diff --git a/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc b/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
index 7c4768a1a05c55e1d0bee38761b51a46f7361182..c1ccba1270261d81560da13561cdaa6101b16933 100644
--- a/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
+++ b/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
@@ -81,31 +81,6 @@ class MockSubresourceFilterClient
   DISALLOW_COPY_AND_ASSIGN(MockSubresourceFilterClient);
 };
 
-// Throttle to call WillProcessResponse on the factory, which is otherwise
-// called by the ThrottleManager.
-class TestForwardingNavigationThrottle : public content::NavigationThrottle {
- public:
-  explicit TestForwardingNavigationThrottle(content::NavigationHandle* handle)
-      : content::NavigationThrottle(handle) {}
-  ~TestForwardingNavigationThrottle() override {}
-
-  // content::NavigationThrottle:
-  content::NavigationThrottle::ThrottleCheckResult WillProcessResponse()
-      override {
-    content::WebContents* web_contents = navigation_handle()->GetWebContents();
-    ContentSubresourceFilterDriverFactory* factory =
-        ContentSubresourceFilterDriverFactory::FromWebContents(web_contents);
-    factory->WillProcessResponse(navigation_handle());
-    return content::NavigationThrottle::PROCEED;
-  }
-  const char* GetNameForLogging() override {
-    return "TestForwardingNavigationThrottle";
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestForwardingNavigationThrottle);
-};
-
 std::string GetSuffixForList(const ActivationList& type) {
   switch (type) {
     case ActivationList::SOCIAL_ENG_ADS_INTERSTITIAL:
@@ -197,8 +172,6 @@ class SubresourceFilterSafeBrowsingActivationThrottleTest
         base::MakeUnique<SubresourceFilterSafeBrowsingActivationThrottle>(
             navigation_handle, test_io_task_runner_,
             fake_safe_browsing_database_));
-    navigation_handle->RegisterThrottleForTesting(
-        base::MakeUnique<TestForwardingNavigationThrottle>(navigation_handle));
   }
 
   content::NavigationThrottle::ThrottleCheckResult SimulateStart() {