Accessing navigation information via webcontents

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 <string>
 #include <tuple>
 
 #include "base/command_line.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
+#include "net/url_request/url_request.h"

[ahemery, 2016/12/06 14:59:17]

Relic from try&error

 
 namespace predictors {
 
 namespace {
 
 bool IsPrefetchingEnabledInternal(Profile* profile, int mode, int mask) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if ((mode & mask) == 0)
     return false;
 
@@ skipping 45 matching lines @@
   }
 
   return false;
 }
 
 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()),
       main_frame_url(web_contents->GetURL()) {
 }
 
+NavigationID::NavigationID(content::WebContents* web_contents,
+                           const GURL& main_frame_url,
+                           const base::TimeTicks& creation_time)
+    : render_process_id(web_contents->GetRenderProcessHost()->GetID()),
+      render_frame_id(web_contents->GetMainFrame()->GetRoutingID()),
+      main_frame_url(main_frame_url),
+      creation_time(creation_time) {
+}
+
 bool NavigationID::is_valid() const {
   return render_process_id != -1 && render_frame_id != -1 &&
       !main_frame_url.is_empty();
 }
 
 bool NavigationID::operator<(const NavigationID& rhs) const {
   DCHECK(is_valid() && rhs.is_valid());
   return std::tie(render_process_id, render_frame_id, main_frame_url) <
     std::tie(rhs.render_process_id, rhs.render_frame_id, rhs.main_frame_url);
 }
@@ skipping 68 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