[subresource_filter] Refactor activation suppression

components/subresource_filter/content/browser/content_subresource_filter_throttle_manager.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/subresource_filter/content/browser/content_subresource_filter_throttle_manager.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.h"
@@ skipping 33 matching lines @@
   }
 
  private:
   ContentSubresourceFilterThrottleManager::Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ForwardingNavigationThrottle);
 };
 
 }  // namespace
 
-bool ContentSubresourceFilterThrottleManager::Delegate::
-    ShouldSuppressActivation(content::NavigationHandle* navigation_handle) {
-  return false;
-}
-
 ContentSubresourceFilterThrottleManager::
     ContentSubresourceFilterThrottleManager(
         Delegate* delegate,
         VerifiedRulesetDealer::Handle* dealer_handle,
         content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       dealer_handle_(dealer_handle),
       delegate_(delegate),
       weak_ptr_factory_(this) {}
 
@@ skipping 24 matching lines @@
 void ContentSubresourceFilterThrottleManager::ReadyToCommitNavigation(
     content::NavigationHandle* navigation_handle) {
   auto throttle = ongoing_activation_throttles_.find(navigation_handle);
   if (throttle == ongoing_activation_throttles_.end())
     return;
 
   // A filter with DISABLED activation indicates a corrupted ruleset.
   AsyncDocumentSubresourceFilter* filter = throttle->second->filter();
   if (!filter || navigation_handle->GetNetErrorCode() != net::OK ||
       filter->activation_state().activation_level ==
-          ActivationLevel::DISABLED ||
-      delegate_->ShouldSuppressActivation(navigation_handle)) {
+          ActivationLevel::DISABLED) {
     return;
   }
 
   throttle->second->WillSendActivationToRenderer();
 
   content::RenderFrameHost* frame_host =
       navigation_handle->GetRenderFrameHost();
   frame_host->Send(new SubresourceFilterMsg_ActivateForNextCommittedLoad(
       frame_host->GetRoutingID(), filter->activation_state()));
 }
@@ skipping 161 matching lines @@
   }
 }
 
 void ContentSubresourceFilterThrottleManager::OnDocumentLoadStatistics(
     const DocumentLoadStatistics& statistics) {
   if (statistics_)
     statistics_->OnDocumentLoadStatistics(statistics);
 }
 
 }  // namespace subresource_filter