Various Prerender Service / Prerender LocalPredictor related changes.

chrome/browser/prefetch/prefetch_field_trial.cc

Index: chrome/browser/prefetch/prefetch_field_trial.cc
diff --git a/chrome/browser/prefetch/prefetch_field_trial.cc b/chrome/browser/prefetch/prefetch_field_trial.cc
index d88e0c79226633a84e1ce1fb3745af78e9304984..0db983bc26c029354597d66980cc0bae522cc8cc 100644
--- a/chrome/browser/prefetch/prefetch_field_trial.cc
+++ b/chrome/browser/prefetch/prefetch_field_trial.cc
@@ -8,6 +8,7 @@
 
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
+#include "chrome/browser/prerender/prerender_field_trial.h"
 
 namespace prefetch {
 
@@ -15,6 +16,10 @@ bool IsPrefetchFieldTrialEnabled() {
   std::string experiment = base::FieldTrialList::FindFullName("Prefetch");
   if (StartsWithASCII(experiment, "ExperimentYes", false))
     return true;
+  // If this client needs to prefetch for the Prerender Local Predictor,
+  // enable prefetching.
+  if (prerender::IsLocalPredictorPrerenderPrefetchEnabled())
+    return true;
   return false;
 }