predictors: Pass manifests from Bork to store in ResourcePrefetchPredictor.

chrome/browser/precache/precache_manager_factory.cc

Index: chrome/browser/precache/precache_manager_factory.cc
diff --git a/chrome/browser/precache/precache_manager_factory.cc b/chrome/browser/precache/precache_manager_factory.cc
index c4d533fbb1ac49e1321d5a73f5834b327be1f0e6..aa29f65a43d8ccf6d569d8a6dff4c62161c535d6 100644
--- a/chrome/browser/precache/precache_manager_factory.cc
+++ b/chrome/browser/precache/precache_manager_factory.cc
@@ -11,6 +11,8 @@
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
+#include "chrome/browser/predictors/resource_prefetch_predictor.h"
+#include "chrome/browser/predictors/resource_prefetch_predictor_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ -40,6 +42,7 @@ PrecacheManagerFactory::PrecacheManagerFactory()
   DependsOn(ProfileSyncServiceFactory::GetInstance());
   DependsOn(HistoryServiceFactory::GetInstance());
   DependsOn(DataReductionProxyChromeSettingsFactory::GetInstance());
+  DependsOn(predictors::ResourcePrefetchPredictorFactory::GetInstance());
 }
 
 PrecacheManagerFactory::~PrecacheManagerFactory() {
@@ -60,6 +63,8 @@ KeyedService* PrecacheManagerFactory::BuildServiceInstanceFor(
           ServiceAccessType::IMPLICIT_ACCESS),
       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
           browser_context),
+      predictors::ResourcePrefetchPredictorFactory::GetForProfile(

[Benoit L, 2017/03/20 16:51:53]

Does this cause issues if the prefetcher is disabled?

[alexilin, 2017/03/21 09:50:34]

Then GetForProfile returns nullptr and this is fine. SyncService and
HistoryService also may be null.

+          browser_context),
       db_path, std::move(precache_database));
 }