Refactor extension app icon.

chrome/browser/ui/ash/launcher/launcher_extension_app_updater.cc

 // Copyright 2016 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/ui/ash/launcher/launcher_extension_app_updater.h"
 
 #include "chrome/browser/chromeos/extensions/gfx_utils.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
@@ skipping 46 matching lines @@
   DCHECK_EQ(extension_registry_, registry);
   StopObservingExtensionRegistry();
 }
 
 void LauncherExtensionAppUpdater::OnPackageInstalled(
     const arc::mojom::ArcPackageInfo& package_info) {
   UpdateEquivalentHostedApp(package_info.package_name);
 }
 
 void LauncherExtensionAppUpdater::OnPackageRemoved(
-    const std::string& package_name) {
+    const std::string& package_name,
+    bool uninstalled) {
   UpdateEquivalentHostedApp(package_name);
 }
 
 void LauncherExtensionAppUpdater::StartObservingExtensionRegistry() {
   DCHECK(!extension_registry_);
   extension_registry_ = extensions::ExtensionRegistry::Get(browser_context());
   extension_registry_->AddObserver(this);
 }
 
 void LauncherExtensionAppUpdater::StopObservingExtensionRegistry() {
@@ skipping 27 matching lines @@
 }
 
 void LauncherExtensionAppUpdater::UpdateEquivalentHostedApp(
     const std::string& arc_package_name) {
   const std::vector<std::string> extension_ids =
       extensions::util::GetEquivalentInstalledExtensions(browser_context(),
                                                          arc_package_name);
   for (const auto& iter : extension_ids)
     UpdateHostedApp(iter);
 }