chromeos: Fix pixelated icons in app list and launcher (part 3)

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

 // Copyright (c) 2012 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/chrome_launcher_controller.h"
 
 #include <set>
 #include <vector>
 
 #include "ash/launcher/launcher_model.h"
@@ skipping 608 matching lines @@
       UpdateAppLaunchersFromPref();
       CheckAppSync();
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
       const content::Details<extensions::UnloadedExtensionInfo> unload_info(
           details);
       const Extension* extension = unload_info->extension;
       if (IsAppPinned(extension->id()))
         DoUnpinAppsWithID(extension->id());
+      app_icon_loader_->ClearImage(extension->id());
       break;
     }
     case chrome::NOTIFICATION_PREF_CHANGED: {
       const std::string& pref_name(
           *content::Details<std::string>(details).ptr());
       if (pref_name == prefs::kPinnedLauncherApps)
         UpdateAppLaunchersFromPref();
       else if (pref_name == prefs::kShelfAlignment)
         SetShelfAlignmentFromPrefs();
       else if (pref_name == prefs::kShelfAutoHideBehavior)
@@ skipping 298 matching lines @@
 }
 
 void ChromeLauncherController::StopLoadingAnimation() {
   DCHECK(observed_sync_service_);
 
   model_->SetStatus(ash::LauncherModel::STATUS_NORMAL);
   loading_timer_.Stop();
   observed_sync_service_->RemoveObserver(this);
   observed_sync_service_ = NULL;
 }