Implemented clearing Java prefs after pulling variations first run seed from Java to C++ side

components/variations/variations_seed_store.cc

Index: components/variations/variations_seed_store.cc
diff --git a/components/variations/variations_seed_store.cc b/components/variations/variations_seed_store.cc
index 84dca7e3ce91341fab819cdd6a711b0d122de543..94fdc73afdb061ad573a2cebae6bd42c8bef9bcb 100644
--- a/components/variations/variations_seed_store.cc
+++ b/components/variations/variations_seed_store.cc
@@ -12,6 +12,7 @@
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/compression/compression_utils.h"
+#include "components/variations/android/variations_seed_bridge.h"
 #include "components/variations/pref_names.h"
 #include "components/variations/proto/variations_seed.pb.h"
 #include "crypto/signature_verifier.h"
@@ -464,6 +465,12 @@ bool VariationsSeedStore::StoreSeedDataNoDelta(
   // in M45+.
   local_state_->ClearPref(prefs::kVariationsSeed);
 
+  // If currently we do not have any stored pref then we clear prefs on the

[Alexei Svitkine (slow), 2015/11/12 17:42:17]

Add an ifdef around this block

[Alexander Agulenko, 2015/11/12 18:55:04]

Done.

+  // Java side of Chrome for Android.
+  if (local_state_->GetString(prefs::kVariationsCompressedSeed).empty()) {

[Alexei Svitkine (slow), 2015/11/12 17:42:17]

Nit: No {}'s

[Alexander Agulenko, 2015/11/12 18:55:04]

Added another function call to this block, so {}'s are needed now.

+    android::ClearJavaFirstRunPrefs();
+  }
+
   // Update the saved country code only if one was returned from the server.
   // Prefer the country code that was transmitted in the header over the one in
   // the seed (which is deprecated).