Enable TCP preconnect and DNS preresolve on cellular.

chrome/browser/net/predictor.h

Index: chrome/browser/net/predictor.h
diff --git a/chrome/browser/net/predictor.h b/chrome/browser/net/predictor.h
index 4fea68aa825730df5375585109c07e0753fd630e..91f020eddd070ae01ead568390c9477a255d9836 100644
--- a/chrome/browser/net/predictor.h
+++ b/chrome/browser/net/predictor.h
@@ -435,10 +435,12 @@ class Predictor {
                    UrlInfo::ResolutionMotivation motivation,
                    bool is_preconnect);
 
-  // There two members call the corresponding global functions in
+  // These four members call the corresponding global functions in
   // prediction_options.cc.
   virtual bool CanPredictNetworkActionsUI();
   virtual bool CanPredictNetworkActionsIO();
+  virtual bool CanPreconnectUI();
+  virtual bool CanPreconnectIO();

[mmenke, 2014/08/08 16:05:42]

nit:  All 4 of these should be const.

[Bence, 2014/08/08 20:10:03]

Done.

 
   // ------------- Start IO thread methods.
 
@@ -613,9 +615,11 @@ class SimplePredictor : public Predictor {
       ProfileIOData* profile_io_data) OVERRIDE;
   virtual void ShutdownOnUIThread() OVERRIDE;
  private:
-  // There member functions return True for unittests.
+  // These member functions return True for unittests.
   virtual bool CanPredictNetworkActionsUI() OVERRIDE;
   virtual bool CanPredictNetworkActionsIO() OVERRIDE;
+  virtual bool CanPreconnectUI() OVERRIDE;
+  virtual bool CanPreconnectIO() OVERRIDE;
 };
 
 }  // namespace chrome_browser_net