1 files changed, 0 insertions, 67 deletions
diff --git a/mojo/public/cpp/bindings/lib/sync_event_watcher.cc b/mojo/public/cpp/bindings/lib/sync_event_watcher.cc
deleted file mode 100644
index b1c97e3..0000000
--- a/mojo/public/cpp/bindings/lib/sync_event_watcher.cc
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2017 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 "mojo/public/cpp/bindings/sync_event_watcher.h"
-
-#include "base/logging.h"
-
-namespace mojo {
-
-SyncEventWatcher::SyncEventWatcher(base::WaitableEvent* event,
-                                   const base::Closure& callback)
-    : event_(event),
-      callback_(callback),
-      registry_(SyncHandleRegistry::current()),
-      destroyed_(new base::RefCountedData<bool>(false)) {}
-
-SyncEventWatcher::~SyncEventWatcher() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (registered_)
-    registry_->UnregisterEvent(event_);
-  destroyed_->data = true;
-}
-
-void SyncEventWatcher::AllowWokenUpBySyncWatchOnSameThread() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  IncrementRegisterCount();
-}
-
-bool SyncEventWatcher::SyncWatch(const bool* should_stop) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  IncrementRegisterCount();
-  if (!registered_) {
-    DecrementRegisterCount();
-    return false;
-  }
-
-  // This object may be destroyed during the Wait() call. So we have to preserve
-  // the boolean that Wait uses.
-  auto destroyed = destroyed_;
-  const bool* should_stop_array[] = {should_stop, &destroyed->data};
-  bool result = registry_->Wait(should_stop_array, 2);
-
-  // This object has been destroyed.
-  if (destroyed->data)
-    return false;
-
-  DecrementRegisterCount();
-  return result;
-}
-
-void SyncEventWatcher::IncrementRegisterCount() {
-  register_request_count_++;
-  if (!registered_)
-    registered_ = registry_->RegisterEvent(event_, callback_);
-}
-
-void SyncEventWatcher::DecrementRegisterCount() {
-  DCHECK_GT(register_request_count_, 0u);
-  register_request_count_--;
-  if (register_request_count_ == 0 && registered_) {
-    registry_->UnregisterEvent(event_);
-    registered_ = false;
-  }
-}
-
-}  // namespace mojo