Revert of List message decryption failures on chrome://gcm-internals

components/gcm_driver/gcm_stats_recorder_android_unittest.cc

Index: components/gcm_driver/gcm_stats_recorder_android_unittest.cc
diff --git a/components/gcm_driver/gcm_stats_recorder_android_unittest.cc b/components/gcm_driver/gcm_stats_recorder_android_unittest.cc
index addca7437443807c36fc26da22d3969cf235bff5..0be010c92f404e3d8c712159f2146bba903eae4a 100644
--- a/components/gcm_driver/gcm_stats_recorder_android_unittest.cc
+++ b/components/gcm_driver/gcm_stats_recorder_android_unittest.cc
@@ -6,7 +6,6 @@
 
 #include <stddef.h>
 
-#include "components/gcm_driver/crypto/gcm_encryption_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gcm {
@@ -56,22 +55,16 @@
   recorder.RecordDataMessageReceived(kTestAppId, 42 /* message_byte_size */);
   EXPECT_EQ(5u, activity_recorded_calls());
 
-  recorder.RecordDecryptionFailure(
-      kTestAppId, GCMEncryptionProvider::DECRYPTION_FAILURE_INVALID_PAYLOAD);
-  EXPECT_EQ(6u, activity_recorded_calls());
-
   RecordedActivities activities;
   recorder.CollectActivities(&activities);
 
   EXPECT_EQ(4u, activities.registration_activities.size());
   EXPECT_EQ(1u, activities.receiving_activities.size());
-  EXPECT_EQ(1u, activities.decryption_failure_activities.size());
 
   recorder.CollectActivities(&activities);
 
   EXPECT_EQ(8u, activities.registration_activities.size());
   EXPECT_EQ(2u, activities.receiving_activities.size());
-  EXPECT_EQ(2u, activities.decryption_failure_activities.size());
 
   recorder.Clear();
 
@@ -80,7 +73,6 @@
 
   EXPECT_EQ(0u, empty_activities.registration_activities.size());
   EXPECT_EQ(0u, empty_activities.receiving_activities.size());
-  EXPECT_EQ(0u, empty_activities.decryption_failure_activities.size());
 }
 
 TEST_F(GCMStatsRecorderAndroidTest, NullDelegate) {