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

components/variations/variations_seed_store.h

Index: components/variations/variations_seed_store.h
diff --git a/components/variations/variations_seed_store.h b/components/variations/variations_seed_store.h
index 42a6a59c516804d67986f5bda8454fbeffa44ab8..d079a510e1ec0da84c3e1679e7caac4d1601a7e2 100644
--- a/components/variations/variations_seed_store.h
+++ b/components/variations/variations_seed_store.h
@@ -7,7 +7,6 @@
 
 #include <string>
 
-#include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/time/time.h"
@@ -21,9 +20,6 @@ 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 {
@@ -79,13 +75,6 @@ class VariationsSeedStore {
   // 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 {
@@ -151,8 +140,6 @@ class VariationsSeedStore {
   // Keeps track of an invalid signature.
   std::string invalid_base64_signature_;
 
-  VariationsFirstRunSeedCallback get_variations_first_run_seed_;
-
   DISALLOW_COPY_AND_ASSIGN(VariationsSeedStore);
 };