WIP / Do not commit

chrome/browser/plugin_installer_observer.cc

+// Copyright (c) 2011 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 "chrome/browser/plugin_installer_observer.h"
+
+#include "chrome/browser/plugin_installer.h"
+
+PluginInstallerObserver::PluginInstallerObserver(PluginInstaller* installer)
+    : installer_(installer) {
+  if (installer)
+    installer->AddObserver(this);
+}
+
+PluginInstallerObserver::~PluginInstallerObserver() {
+  if (installer_)
+    installer_->RemoveObserver(this);
+}
+
+void PluginInstallerObserver::DidStartDownload() {
+}
+
+void PluginInstallerObserver::DidFinishDownload() {
+}
+
+void PluginInstallerObserver::DidFinishInstallation() {
+}
+