Add PLT measurement to Resource Prefetching for Mobile Web

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 "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_split.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.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/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 
 using base::FieldTrialList;
 using std::string;
 using std::vector;
 
 namespace predictors {
 
 const char kSpeculativePrefetchingTrialName[] =
     "SpeculativeResourcePrefetching";
@@ skipping 128 matching lines @@
 
 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->GetRenderViewHost()->GetRoutingID()),
+      render_frame_id(web_contents->GetMainFrame()->GetRoutingID()),
       main_frame_url(web_contents->GetURL()) {
 }
 
 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());
@@ skipping 84 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