predictors: Fix duplicate content type detection.

chrome/browser/predictors/resource_prefetch_common.h

 // 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.
 
 #ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_
 
 #include <stddef.h>
 
 #include "base/time/time.h"
@@ skipping 16 matching lines @@
     ResourcePrefetchPredictorConfig* config);
 
 // Represents the type of key based on which prefetch data is stored.
 enum PrefetchKeyType {
   PREFETCH_KEY_TYPE_HOST,
   PREFETCH_KEY_TYPE_URL
 };
 
 // Represents a single navigation for a render frame.
 struct NavigationID {
-  // TODO(shishir): Maybe take process_id, frame_id and url as input in
-  // constructor.
   NavigationID();
+  NavigationID(int render_process_id,
+               int render_frame_id,
+               const GURL& main_frame_url);
   NavigationID(const NavigationID& other);
   explicit NavigationID(content::WebContents* web_contents);
   bool operator<(const NavigationID& rhs) const;
   bool operator==(const NavigationID& rhs) const;
 
   bool IsSameRenderer(const NavigationID& other) const;
 
   // Returns true iff the render_process_id_, render_frame_id_ and
   // frame_url_ has been set correctly.
   bool is_valid() const;
@@ skipping 65 matching lines @@
   // Maximum number of prefetches that can be inflight for a single navigation.
   size_t max_prefetches_inflight_per_navigation;
   // Maximum number of prefetches that can be inflight for a host for a single
   // navigation.
   size_t max_prefetches_inflight_per_host_per_navigation;
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_