Accessing navigation information via webcontents

chrome/browser/predictors/resource_prefetch_predictor.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_predictor.h"
 
 #include <map>
 #include <set>
 #include <utility>
 
@@ skipping 307 matching lines @@
       has_validators(other.has_validators),
       always_revalidate(other.always_revalidate) {}
 
 ResourcePrefetchPredictor::URLRequestSummary::~URLRequestSummary() {
 }
 
 // static
 bool ResourcePrefetchPredictor::URLRequestSummary::SummarizeResponse(
     const net::URLRequest& request,
     URLRequestSummary* summary) {
-  const content::ResourceRequestInfo* info =
+  const content::ResourceRequestInfo* request_info =
       content::ResourceRequestInfo::ForRequest(&request);
-  if (!info)
+  if (!request_info)
     return false;
 
-  int render_process_id, render_frame_id;
-  if (!info->GetAssociatedRenderFrame(&render_process_id, &render_frame_id))
-    return false;
-
-  summary->navigation_id = NavigationID(render_process_id, render_frame_id,
-                                        request.first_party_for_cookies());
-  summary->navigation_id.creation_time = request.creation_time();
   summary->resource_url = request.original_url();
-  content::ResourceType resource_type_from_request = info->GetResourceType();
+  content::ResourceType resource_type_from_request =
+      request_info->GetResourceType();
   summary->priority = request.priority();
   request.GetMimeType(&summary->mime_type);
   summary->was_cached = request.was_cached();
   summary->resource_type =
       GetResourceType(resource_type_from_request, summary->mime_type);
 
   scoped_refptr<net::HttpResponseHeaders> headers =
       request.response_info().headers;
   if (headers.get()) {
     summary->has_validators = headers->HasValidators();
@@ skipping 805 matching lines @@
 TestObserver::~TestObserver() {
   predictor_->SetObserverForTesting(nullptr);
 }
 
 TestObserver::TestObserver(ResourcePrefetchPredictor* predictor)
     : predictor_(predictor) {
   predictor_->SetObserverForTesting(this);
 }
 
 }  // namespace predictors