Garbage Collect the Storage directory on next profile start after an extension uninstall.

chrome/browser/extensions/extension_service_unittest.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/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 1305 matching lines @@
       "bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0")));
   EXPECT_TRUE(file_util::PathExists(extensions_install_dir_.AppendASCII(
       "bjafgdebaacbbbecmhlhpofkepfkgcpa/2.0")));
   EXPECT_TRUE(file_util::PathExists(extensions_install_dir_.AppendASCII(
       "hpiknbiabeeppbpihjehijgoemciehgk/2")));
   EXPECT_FALSE(file_util::PathExists(extensions_install_dir_.AppendASCII(
       "hpiknbiabeeppbpihjehijgoemciehgk/3")));
 
   // Make sure update information got deleted.
   ExtensionPrefs* prefs = service_->extension_prefs();
-  EXPECT_FALSE(prefs->GetIdleInstallInfo("bjafgdebaacbbbecmhlhpofkepfkgcpa"));
+  EXPECT_FALSE(
+      prefs->GetDelayedInstallInfo("bjafgdebaacbbbecmhlhpofkepfkgcpa"));
 }
 
 // Test installing extensions. This test tries to install few extensions using
 // crx files. If you need to change those crx files, feel free to repackage
 // them, throw away the key used and change the id's above.
 TEST_F(ExtensionServiceTest, InstallExtension) {
   InitializeEmptyExtensionService();
 
   // Extensions not enabled.
   set_extensions_enabled(false);
@@ skipping 4438 matching lines @@
   EXPECT_FALSE(extensions::HasExternalInstallError(service_));
   EXPECT_FALSE(service_->IsExtensionEnabled(good_crx));
   EXPECT_TRUE(service_->IsExtensionEnabled(page_action));
 
   ExtensionPrefs* prefs = service_->extension_prefs();
   EXPECT_NE(0, prefs->GetDisableReasons(good_crx) &
       Extension::DISABLE_SIDELOAD_WIPEOUT);
   EXPECT_EQ(0, prefs->GetDisableReasons(page_action) &
       Extension::DISABLE_SIDELOAD_WIPEOUT);
 }