Binds prefetching to the predictive networking privacy option.

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index d61b2f50aa8c0d50ac8584169d4e96c16c048c5c..348b7901475f95da62fd36b43e340cad90a37bcf 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -171,6 +171,10 @@ class ProfileIOData {
     return &signin_allowed_;
   }
 
+  BooleanPrefMember* network_prediction_enabled() const {
+    return &network_prediction_enabled_;
+  }
+
   std::string GetMediaDeviceIDSalt() const;
 
   net::TransportSecurityState* transport_security_state() const {
@@ -482,6 +486,7 @@ class ProfileIOData {
   mutable BooleanPrefMember printing_enabled_;
   mutable BooleanPrefMember sync_disabled_;
   mutable BooleanPrefMember signin_allowed_;
+  mutable BooleanPrefMember network_prediction_enabled_;
   // TODO(marja): Remove session_startup_pref_ if no longer needed.
   mutable IntegerPrefMember session_startup_pref_;
   mutable BooleanPrefMember quick_check_enabled_;