[subresource_filter] Implement the "Smart" UI on Android

components/subresource_filter/content/browser/content_subresource_filter_driver_factory.cc

 // Copyright 2016 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_driver_factory.h"
 
 #include "base/feature_list.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
 #include "base/time/time.h"
@@ skipping 183 matching lines @@
       NavigationIsPageReload(url, referrer, transition)) {
     // Whitelist this host for the current as well as subsequent navigations.
     client_->WhitelistInCurrentWebContents(url);
   }
 
   activation_decision_ =
       ComputeActivationDecisionForMainFrameNavigation(navigation_handle);
   DCHECK(activation_decision_ != ActivationDecision::UNKNOWN);
   if (activation_decision_ != ActivationDecision::ACTIVATED) {
     ResetActivationState();
-    return;
+  } else {
+    activation_level_ = configurations->the_one_and_only().activation_level;
+    measure_performance_ =
+        activation_level_ != ActivationLevel::DISABLED &&
+        ShouldMeasurePerformanceForPageLoad(
+            configurations->the_one_and_only().performance_measurement_rate);
   }
 
-  activation_level_ = configurations->the_one_and_only().activation_level;
-  measure_performance_ =
-      activation_level_ != ActivationLevel::DISABLED &&
-      ShouldMeasurePerformanceForPageLoad(
-          configurations->the_one_and_only().performance_measurement_rate);
   ActivationState state = ActivationState(activation_level_);
   state.measure_performance = measure_performance_;
-  throttle_manager_->NotifyPageActivationComputed(navigation_handle, state);
+
+  if (activation_level_ != ActivationLevel::DISABLED)
+    throttle_manager_->NotifyPageActivationComputed(navigation_handle, state);
 }
 
 void ContentSubresourceFilterDriverFactory::OnFirstSubresourceLoadDisallowed() {
   auto configurations = GetActiveConfigurations();
   if (configurations->the_one_and_only().should_suppress_notifications)
     return;
 
   client_->ToggleNotificationVisibility(activation_level_ ==
                                         ActivationLevel::ENABLED);
 }
@@ skipping 103 matching lines @@
       REPORT_REDIRECT_PATTERN_FOR_SUFFIX("SubresourceFilterOnly", hits_pattern,
                                          chain_size);
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
 }  // namespace subresource_filter