Added incident report for variations seed signature mismatch.

chrome/browser/metrics/variations/variations_seed_store.cc

Index: chrome/browser/metrics/variations/variations_seed_store.cc
diff --git a/chrome/browser/metrics/variations/variations_seed_store.cc b/chrome/browser/metrics/variations/variations_seed_store.cc
index be775309989c3c1b3aef14a3ec04b1df0458414e..c6a45838a5ed83399bf887bb908ff81cefb37c21 100644
--- a/chrome/browser/metrics/variations/variations_seed_store.cc
+++ b/chrome/browser/metrics/variations/variations_seed_store.cc
@@ -10,7 +10,11 @@
 #include "base/prefs/pref_service.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
+#include "chrome/browser/browser_process.h"

[grt (UTC plus 2), 2014/10/10 17:45:42]

remove these

[Georges Khalil, 2014/10/10 20:19:31]

Done.

+#include "chrome/browser/safe_browsing/incident_reporting/add_incident_callback.h"
+#include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
 #include "components/variations/proto/variations_seed.pb.h"
 #include "crypto/signature_verifier.h"
 
@@ -120,6 +124,7 @@ VariationsSeedStore::~VariationsSeedStore() {
 }
 
 bool VariationsSeedStore::LoadSeed(variations::VariationsSeed* seed) {
+  bad_signature_ = std::string();

[grt (UTC plus 2), 2014/10/10 17:45:42]

  bad_signature_.clear();

[Georges Khalil, 2014/10/10 20:19:31]

Done.

   const std::string base64_seed_data =
       local_state_->GetString(prefs::kVariationsSeed);
   if (base64_seed_data.empty()) {
@@ -150,6 +155,9 @@ bool VariationsSeedStore::LoadSeed(variations::VariationsSeed* seed) {
               << "with result: " << result << ". Clearing the pref.";
       ClearPrefs();
       RecordVariationSeedEmptyHistogram(VARIATIONS_SEED_INVALID_SIGNATURE);
+      // Record the bad signature, to be used later for sending an incident

[grt (UTC plus 2), 2014/10/10 17:45:42]

same comment about documenting the current consumer.

[Georges Khalil, 2014/10/10 20:19:31]

Done.

+      // report.
+      bad_signature_ = base64_seed_signature;
       return false;
     }
   }