Merge MemoryCoordinator and MemoryCoordinatorImpl into one class

content/browser/service_worker/service_worker_browsertest.cc

Index: content/browser/service_worker/service_worker_browsertest.cc
diff --git a/content/browser/service_worker/service_worker_browsertest.cc b/content/browser/service_worker/service_worker_browsertest.cc
index dd300065f22a3a1ea8c18b2b9e1b9534494dd235..86f4dab40c41a0626a64dafa0fe4d62d4f5b6868 100644
--- a/content/browser/service_worker/service_worker_browsertest.cc
+++ b/content/browser/service_worker/service_worker_browsertest.cc
@@ -31,7 +31,7 @@
 #include "content/browser/cache_storage/cache_storage_cache_handle.h"
 #include "content/browser/cache_storage/cache_storage_context_impl.h"
 #include "content/browser/cache_storage/cache_storage_manager.h"
-#include "content/browser/memory/memory_coordinator.h"
+#include "content/browser/memory/memory_coordinator_impl.h"
 #include "content/browser/service_worker/embedded_worker_instance.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/embedded_worker_status.h"
@@ -2978,7 +2978,8 @@ IN_PROC_BROWSER_TEST_P(MemoryCoordinatorWithServiceWorkerTest,
   StartServerAndNavigateToSetup();
   ActivateTestHelper("/service_worker/fetch_event.js", SERVICE_WORKER_OK);
 
-  MemoryCoordinator* memory_coordinator = MemoryCoordinator::GetInstance();
+  MemoryCoordinatorImpl* memory_coordinator =
+      MemoryCoordinatorImpl::GetInstance();
   memory_coordinator->SetDelegateForTesting(
       base::MakeUnique<TestMemoryCoordinatorDelegate>());