predictors: Expose the initialization call to Android.

chrome/browser/predictors/resource_prefetch_predictor.h

Index: chrome/browser/predictors/resource_prefetch_predictor.h
diff --git a/chrome/browser/predictors/resource_prefetch_predictor.h b/chrome/browser/predictors/resource_prefetch_predictor.h
index b50a4f6b46164f99638883b3d8fd619dafb18847..85b2ce270e553cf13b1ae6a119ab1cb1d00ec7b3 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor.h
+++ b/chrome/browser/predictors/resource_prefetch_predictor.h
@@ -119,6 +119,10 @@ class ResourcePrefetchPredictor
                             Profile* profile);
   ~ResourcePrefetchPredictor() override;
 
+  // Starts initialization by posting a task to the DB thread to read the
+  // predictor database.
+  void StartInitialization();
+
   // Thread safe.
   static bool ShouldRecordRequest(net::URLRequest* request,
                                   content::ResourceType resource_type);
@@ -248,10 +252,6 @@ class ResourcePrefetchPredictor
                                  const PrefetchDataMap& data_map,
                                  std::vector<GURL>* urls);
 
-  // Starts initialization by posting a task to the DB thread to read the
-  // predictor database.
-  void StartInitialization();
-
   // Callback for task to read predictor database. Takes ownership of
   // all arguments.
   void CreateCaches(std::unique_ptr<PrefetchDataMap> url_data_map,