[memory-infra] Remove MemoryDumpManagerDelegate

services/resource_coordinator/public/cpp/memory/process_local_dump_manager_impl.h

Index: services/resource_coordinator/public/cpp/memory/process_local_dump_manager_impl.h
diff --git a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.h b/services/resource_coordinator/public/cpp/memory/process_local_dump_manager_impl.h
similarity index 70%
rename from services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.h
rename to services/resource_coordinator/public/cpp/memory/process_local_dump_manager_impl.h
index ccff7191f6cde6b194b17d058d22e4396b696166..ccbd48ace65559f5bfbe55e450f81987415b9480 100644
--- a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.h
+++ b/services/resource_coordinator/public/cpp/memory/process_local_dump_manager_impl.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_DELEGATE_IMPL_H_
-#define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_DELEGATE_IMPL_H_
+#ifndef SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_IMPL_H_
+#define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_IMPL_H_
 
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
@@ -22,11 +22,9 @@ namespace memory_instrumentation {
 //
 // This cannot just be implemented by the Coordinator service, because there is
 // no Coordinator service in child processes. So, in a child process, the
-// delegate remotely connects to the Coordinator service. In the browser
-// process, the delegate locally connects to the Coordinator service.
-class MemoryDumpManagerDelegateImpl
-    : public base::trace_event::MemoryDumpManagerDelegate,
-      public mojom::ProcessLocalDumpManager {
+// local dump manager remotely connects to the Coordinator service. In the
+// browser process, it locally connects to the Coordinator service.
+class ProcessLocalDumpManagerImpl : public mojom::ProcessLocalDumpManager {
  public:
   class Config {
    public:
@@ -52,22 +50,23 @@ class MemoryDumpManagerDelegateImpl
     bool is_test_config_;
   };
 
-  explicit MemoryDumpManagerDelegateImpl(const Config& config);
-  ~MemoryDumpManagerDelegateImpl() override;
+  static void InitializeInstance(const Config& config);
 
-  bool IsCoordinator() const override;
-
-  // The base::trace_event::MemoryDumpManager calls this.
+  // Implements base::trace_event::MemoryDumpManager::RequestGlobalDumpCallback.
+  // NOTE: Use MemoryDumpManager::RequestGlobalDump() to request gobal dump.
   void RequestGlobalMemoryDump(
       const base::trace_event::MemoryDumpRequestArgs& args,
-      const base::trace_event::GlobalMemoryDumpCallback& callback) override;
+      const base::trace_event::GlobalMemoryDumpCallback& callback);
 
   Config config() { return config_; }
   void SetAsNonCoordinatorForTesting();
 
  private:
-  friend std::default_delete<MemoryDumpManagerDelegateImpl>;  // For testing
-  friend class MemoryDumpManagerDelegateImplTest;             // For testing
+  friend std::default_delete<ProcessLocalDumpManagerImpl>;  // For testing
+  friend class ProcessLocalDumpManagerImplTest;             // For testing
+
+  ProcessLocalDumpManagerImpl(const Config& config);
+  ~ProcessLocalDumpManagerImpl() override;
 
   // The ProcessLocalDumpManager interface. The coordinator calls this.
   void RequestProcessMemoryDump(
@@ -86,15 +85,11 @@ class MemoryDumpManagerDelegateImpl
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   uint64_t pending_memory_dump_guid_;
 
-  // Prevents racy access to |pending_memory_dump_guid_|.
   base::Lock pending_memory_dump_guid_lock_;
 
-  // Prevents racy access to |initialized_|.
-  base::Lock initialized_lock_;
-
-  DISALLOW_COPY_AND_ASSIGN(MemoryDumpManagerDelegateImpl);
+  DISALLOW_COPY_AND_ASSIGN(ProcessLocalDumpManagerImpl);
 };
 
 }  // namespace memory_instrumentation
 
-#endif  // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_MEMORY_MEMORY_DUMP_MANAGER_DELEGATE_IMPL_H_
+#endif  // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_PROCESS_LOCAL_DUMP_MANAGER_IMPL_H_