predictors: Fix duplicate content type detection.

chrome/browser/predictors/resource_prefetch_common.cc

 // Copyright 2014 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 "chrome/browser/predictors/resource_prefetch_common.h"
 
 #include <stdlib.h>
 #include <tuple>
 
 #include "base/command_line.h"
@@ skipping 136 matching lines @@
   }
 
   return true;
 }
 
 NavigationID::NavigationID()
     : render_process_id(-1),
       render_frame_id(-1) {
 }
 
+NavigationID::NavigationID(int render_process_id,
+                           int render_frame_id,
+                           const GURL& main_frame_url)
+    : render_process_id(render_process_id),
+      render_frame_id(render_frame_id),
+      main_frame_url(main_frame_url) {}
+
 NavigationID::NavigationID(const NavigationID& other)
     : render_process_id(other.render_process_id),
       render_frame_id(other.render_frame_id),
       main_frame_url(other.main_frame_url),
       creation_time(other.creation_time) {
 }
 
 NavigationID::NavigationID(content::WebContents* web_contents)
     : render_process_id(web_contents->GetRenderProcessHost()->GetID()),
       render_frame_id(web_contents->GetMainFrame()->GetRoutingID()),
@@ skipping 95 matching lines @@
 
 bool ResourcePrefetchPredictorConfig::IsMoreResourcesEnabledForTest() const {
   return max_resources_per_entry == 100;
 }
 
 bool ResourcePrefetchPredictorConfig::IsSmallDBEnabledForTest() const {
   return max_urls_to_track == 200 && max_hosts_to_track == 100;
 }
 
 }  // namespace predictors