Add page-level aggregation of SubresourceFilter time metrics.

components/subresource_filter/content/renderer/subresource_filter_agent.h

Index: components/subresource_filter/content/renderer/subresource_filter_agent.h
diff --git a/components/subresource_filter/content/renderer/subresource_filter_agent.h b/components/subresource_filter/content/renderer/subresource_filter_agent.h
index 43beacd3799feeaade7970203e34fdea2de7e0af..319d47f0a2f0ca08911f1a0107feec1a48dad9c4 100644
--- a/components/subresource_filter/content/renderer/subresource_filter_agent.h
+++ b/components/subresource_filter/content/renderer/subresource_filter_agent.h
@@ -56,6 +56,12 @@ class SubresourceFilterAgent
   // the most recently committed load. Not called if all resources are allowed.
   virtual void SignalFirstSubresourceDisallowedForCommittedLoad();
 
+  // Informs the browser about the time spend by DocumentSubresourceFilter in

[engedy, 2016/12/21 19:10:28]

nit: spent

[pkalinnikov, 2016/12/22 16:53:04]

Done.

+  // allowLoad calls while evaluating subresource loads for the current frame.
+  virtual void SendDocumentLoadStatistics(
+      base::TimeDelta evaluation_total_wall_duration,
+      base::TimeDelta evaluation_total_cpu_duration);
+
  private:
   void OnActivateForProvisionalLoad(ActivationState activation_state,
                                     const GURL& url,