[WIP] Add SharedMemoryTracker to dump base::SharedMemory usage

base/memory/shared_memory_handle_win.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/shared_memory_handle.h"
 
 #include "base/logging.h"
 
 namespace base {
 
@@ skipping 58 matching lines @@
 }
 
 void SharedMemoryHandle::SetOwnershipPassesToIPC(bool ownership_passes) {
   ownership_passes_to_ipc_ = ownership_passes;
 }
 
 bool SharedMemoryHandle::OwnershipPassesToIPC() const {
   return ownership_passes_to_ipc_;
 }
 
+bool GetIDFromSharedMemoryHandle(const SharedMemoryHandle& handle,
+                                 SharedMemoryHandleID* id) {
+  // TODO(hajimehoshi): Implement this.
+  return true;
+}
+
+std::string GetSharedMemoryHandleIDString(const SharedMemoryHandleID& id) {
+  // TODO(hajimehoshi): Implement this.
+  return "";
+}
+
 }  // namespace base