Keep only base/extractor.[cc|h].

ui/ui_displayed_event.cc

Index: ui/ui_displayed_event.cc
diff --git a/ui/ui_displayed_event.cc b/ui/ui_displayed_event.cc
deleted file mode 100644
index 4130a755d680354acacc19d6acc9d88197ee3946..0000000000000000000000000000000000000000
--- a/ui/ui_displayed_event.cc
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2008-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#include "omaha/base/const_object_names.h"
-#include "omaha/base/debug.h"
-#include "omaha/base/logging.h"
-#include "omaha/common/goopdate_utils.h"
-#include "omaha/ui/ui_displayed_event.h"
-
-namespace omaha {
-
-HRESULT UIDisplayedEventManager::CreateEvent(bool is_machine) {
-  ASSERT1(!IsEventHandleInitialized());
-  return goopdate_utils::CreateUniqueEventInEnvironment(
-        kLegacyUiDisplayedEventEnvironmentVariableName,
-        is_machine,
-        address(ui_displayed_event_));
-}
-
-// Caller does not own the event handle and must not close it.
-// There is a single event handle for each process. The handle is closed when
-// the process exits.
-HRESULT UIDisplayedEventManager::GetEvent(bool is_machine,
-                                          HANDLE* ui_displayed_event) {
-  ASSERT1(ui_displayed_event);
-  *ui_displayed_event = NULL;
-  if (IsEventHandleInitialized()) {
-    *ui_displayed_event = get(ui_displayed_event_);
-    return S_OK;
-  }
-
-  HRESULT hr = goopdate_utils::OpenUniqueEventFromEnvironment(
-      kLegacyUiDisplayedEventEnvironmentVariableName,
-      is_machine,
-      address(ui_displayed_event_));
-  if (FAILED(hr)) {
-    return hr;
-  }
-
-  *ui_displayed_event = get(ui_displayed_event_);
-  return S_OK;
-}
-
-// Creates the event if it does not already exist in the environment.
-void UIDisplayedEventManager::SignalEvent(bool is_machine) {
-  CORE_LOG(L2, (_T("[SignalEvent]")));
-
-  if (!IsEventHandleInitialized()) {
-    HRESULT hr = GetEvent(is_machine, address(ui_displayed_event_));
-    if (HRESULT_FROM_WIN32(ERROR_ENVVAR_NOT_FOUND) == hr) {
-      // The event was not created by an earlier process. This can happen when
-      // developers run the /handoff process directly.
-      hr = CreateEvent(is_machine);
-    }
-    if (FAILED(hr)) {
-      reset(ui_displayed_event_);
-      // We may display two UIs.
-      return;
-    }
-  }
-
-  ASSERT1(IsEventHandleInitialized());
-  VERIFY1(::SetEvent(get(ui_displayed_event_)));
-}
-
-bool UIDisplayedEventManager::IsEventHandleInitialized() {
-  return valid(ui_displayed_event_);
-}
-
-scoped_handle UIDisplayedEventManager::ui_displayed_event_;
-
-}  // namespace omaha