ServiceWorker: Remove unused MessageEvent implementation from ServiceWorkerGlobalScope

content/browser/service_worker/service_worker_version_unittest.cc

Index: content/browser/service_worker/service_worker_version_unittest.cc
diff --git a/content/browser/service_worker/service_worker_version_unittest.cc b/content/browser/service_worker/service_worker_version_unittest.cc
index 1f74c0479a99af8bb868280619addc361a0b72ab..7bd001d101d7302bb5468ee3bddc10534be78ebb 100644
--- a/content/browser/service_worker/service_worker_version_unittest.cc
+++ b/content/browser/service_worker/service_worker_version_unittest.cc
@@ -9,7 +9,6 @@
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
-#include "content/browser/message_port_service.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
@@ -150,15 +149,6 @@ class MessageReceiverFromWorker : public EmbeddedWorkerInstance::Listener {
   DISALLOW_COPY_AND_ASSIGN(MessageReceiverFromWorker);
 };
 
-void SetUpDummyMessagePort(std::vector<TransferredMessagePort>* ports) {
-  int port_id = -1;
-  MessagePortService::GetInstance()->Create(MSG_ROUTING_NONE, nullptr,
-                                            &port_id);
-  TransferredMessagePort dummy_port;
-  dummy_port.id = port_id;
-  ports->push_back(dummy_port);
-}
-
 base::Time GetYesterday() {
   return base::Time::Now() - base::TimeDelta::FromDays(1) -
          base::TimeDelta::FromSeconds(1);
@@ -652,20 +642,6 @@ TEST_F(ServiceWorkerVersionTest, IdleTimeout) {
 
   EXPECT_EQ(SERVICE_WORKER_OK, status);
   EXPECT_LT(idle_time, version_->idle_time_);
-
-  // Dispatching a message event resets the idle time.
-  std::vector<TransferredMessagePort> ports;
-  SetUpDummyMessagePort(&ports);
-  status = SERVICE_WORKER_ERROR_FAILED;
-  version_->idle_time_ -= kOneSecond;
-  idle_time = version_->idle_time_;
-  version_->DispatchMessageEvent(base::string16(), ports,
-                                 CreateReceiverOnCurrentThread(&status));
-  base::RunLoop().RunUntilIdle();
-  MessagePortService::GetInstance()->Destroy(ports[0].id);
-
-  EXPECT_EQ(SERVICE_WORKER_OK, status);
-  EXPECT_LT(idle_time, version_->idle_time_);
 }
 
 TEST_F(ServiceWorkerVersionTest, SetDevToolsAttached) {