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

components/gcm_driver/gcm_driver_desktop_unittest.cc

Index: components/gcm_driver/gcm_driver_desktop_unittest.cc
diff --git a/components/gcm_driver/gcm_driver_desktop_unittest.cc b/components/gcm_driver/gcm_driver_desktop_unittest.cc
index 58063d292726c5f7414ed34aa2037f4a73dd42e5..d33b9bc4c6e18996fea0ad8f41c4e3ead8f6708c 100644
--- a/components/gcm_driver/gcm_driver_desktop_unittest.cc
+++ b/components/gcm_driver/gcm_driver_desktop_unittest.cc
@@ -19,7 +19,6 @@
 #include "base/test/test_simple_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
-#include "components/gcm_driver/crypto/gcm_encryption_provider.h"
 #include "components/gcm_driver/fake_gcm_app_handler.h"
 #include "components/gcm_driver/fake_gcm_client.h"
 #include "components/gcm_driver/fake_gcm_client_factory.h"
@@ -811,30 +810,6 @@
             gcm_app_handler()->message().collapse_key);
 }
 
-TEST_F(GCMDriverFunctionalTest, EncryptedMessageReceivedError) {
-  // GCM registration has to be performed otherwise GCM will not be started.
-  Register(kTestAppID1, ToSenderList("sender"), GCMDriverTest::WAIT);
-
-  IncomingMessage message;
-
-  // All required information to trigger the encryption path, but with an
-  // invalid Crypto-Key header value to trigger an error.
-  message.data["encryption"] = "salt=ysyxqlYTgE0WvcZrmHbUbg";
-  message.data["crypto-key"] = "hey=thereisnopublickey";
-  message.sender_id = "sender";
-  message.raw_data = "foobar";
-
-  GetGCMClient()->SetRecording(true);
-  GetGCMClient()->ReceiveMessage(kTestAppID1, message);
-
-  PumpIOLoop();
-
-  GCMClient::GCMStatistics statistics = GetGCMClient()->GetStatistics();
-  EXPECT_TRUE(statistics.is_recording);
-  EXPECT_EQ(
-      1u, statistics.recorded_activities.decryption_failure_activities.size());
-}
-
 TEST_F(GCMDriverFunctionalTest, MessagesDeleted) {
   // GCM registration has to be performed otherwise GCM will not be started.
   Register(kTestAppID1, ToSenderList("sender"), GCMDriverTest::WAIT);