Fixed invalid read in ExtensionsServiceTest.ReloadExtensions.

chrome/browser/extensions/extensions_service_unittest.cc

 // Copyright (c) 2009 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/extensions_service_unittest.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 1509 matching lines @@
 
   // Extension counts shouldn't change.
   EXPECT_EQ(0u, service_->extensions()->size());
   EXPECT_EQ(1u, service_->disabled_extensions()->size());
 
   service_->EnableExtension(extension_id);
 
   EXPECT_EQ(1u, service_->extensions()->size());
   EXPECT_EQ(0u, service_->disabled_extensions()->size());
 
+  // Need to clear |loaded_| manually before reloading as the
+  // EnableExtension() call above inserted into it and
+  // UnloadAllExtensions() doesn't send out notifications.
+  loaded_.clear();
   service_->ReloadExtensions();
 
   // Extension counts shouldn't change.
   EXPECT_EQ(1u, service_->extensions()->size());
   EXPECT_EQ(0u, service_->disabled_extensions()->size());
 }
 
 // Tests uninstalling normal extensions
 TEST_F(ExtensionsServiceTest, UninstallExtension) {
   InitializeEmptyExtensionsService();
@@ skipping 555 matching lines @@
   // Component extensions shouldn't get recourded in the prefs.
   ValidatePrefKeyCount(0);
 
   // Reload all extensions, and make sure it comes back.
   std::string extension_id = service_->extensions()->at(0)->id();
   loaded_.clear();
   service_->ReloadExtensions();
   ASSERT_EQ(1u, service_->extensions()->size());
   EXPECT_EQ(extension_id, service_->extensions()->at(0)->id());
 }