Adds speculative prefetching of resources.

chrome/browser/predictors/resource_prefetch_predictor_factory.cc

Index: chrome/browser/predictors/resource_prefetch_predictor_factory.cc
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_factory.cc b/chrome/browser/predictors/resource_prefetch_predictor_factory.cc
index ee4dce7e5bb9ca6830e414e86f1f1be27886b113..81a0a6c54a92ffec26052c15ae8633a9e9bd1685 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_factory.cc
+++ b/chrome/browser/predictors/resource_prefetch_predictor_factory.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/predictors/predictor_database_factory.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
+#include "chrome/browser/prerender/prerender_field_trial.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 
@@ -37,10 +38,11 @@ ResourcePrefetchPredictorFactory::~ResourcePrefetchPredictorFactory() {}
 ProfileKeyedService*
     ResourcePrefetchPredictorFactory::BuildServiceInstanceFor(
         Profile* profile) const {
-  return ResourcePrefetchPredictor::IsEnabled(profile) ?
-          new ResourcePrefetchPredictor(ResourcePrefetchPredictor::Config(),
-                                        profile) :
-          NULL;
+  return (prerender::IsSpeculativeResourcePrefetchingEnabled(profile) ||
+          prerender::IsSpeculativeResourcePrefetchingLearningEnabled(profile)) ?
+      new ResourcePrefetchPredictor(ResourcePrefetchPredictorConfig(),
+                                    profile) :
+      NULL;
 }
 
 }  // namespace predictors