Removed callbacks to JNI functions + added gzip compressed seed support & pulling response time

components/variations/variations_seed_store.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_VARIATIONS_VARIATIONS_SEED_STORE_H_
 #define COMPONENTS_VARIATIONS_VARIATIONS_SEED_STORE_H_
 
 #include <string>
 
-#include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/time/time.h"
 
 class PrefService;
 class PrefRegistrySimple;
 
 namespace variations {
 class VariationsSeed;
 }
 
 namespace variations {
 
-typedef base::Callback<void(std::string*, std::string*, std::string*)>
-    VariationsFirstRunSeedCallback;
-
 // VariationsSeedStore is a helper class for reading and writing the variations
 // seed from Local State.
 class VariationsSeedStore {
  public:
   explicit VariationsSeedStore(PrefService* local_state);
   virtual ~VariationsSeedStore();
 
   // Loads the variations seed data from local state into |seed|. If there is a
   // problem with loading, the pref value is cleared and false is returned. If
   // successful, |seed| will contain the loaded data and true is returned.
@@ skipping 35 matching lines @@
     return seed_has_country_code_;
   }
 
   // Returns the invalid signature in base64 format, or an empty string if the
   // signature was valid, missing, or if signature verification is disabled.
   std::string GetInvalidSignature() const;
 
   // Registers Local State prefs used by this class.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
-  // Registers callback for pulling variations first run seed from Java side
-  // in Chrome for Android.
-  void SetVariationsFirstRunSeedCallback(
-      const VariationsFirstRunSeedCallback& callback) {
-    get_variations_first_run_seed_ = callback;
-  }
-
  protected:
   // Note: UMA histogram enum - don't re-order or remove entries.
   enum VerifySignatureResult {
     VARIATIONS_SEED_SIGNATURE_MISSING,
     VARIATIONS_SEED_SIGNATURE_DECODE_FAILED,
     VARIATIONS_SEED_SIGNATURE_INVALID_SIGNATURE,
     VARIATIONS_SEED_SIGNATURE_INVALID_SEED,
     VARIATIONS_SEED_SIGNATURE_VALID,
     VARIATIONS_SEED_SIGNATURE_ENUM_SIZE,
   };
@@ skipping 45 matching lines @@
   // Cached serial number from the most recently fetched variations seed.
   std::string variations_serial_number_;
 
   // Whether the most recently fetched variations seed has the country code
   // field set.
   bool seed_has_country_code_;
 
   // Keeps track of an invalid signature.
   std::string invalid_base64_signature_;
 
-  VariationsFirstRunSeedCallback get_variations_first_run_seed_;
-
   DISALLOW_COPY_AND_ASSIGN(VariationsSeedStore);
 };
 
 }  // namespace variations
 
 #endif  // COMPONENTS_VARIATIONS_VARIATIONS_SEED_STORE_H_