Fixes for re-enabling more MSVC level 4 warnings: content/browser/ edition

content/browser/accessibility/browser_accessibility_win_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 "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/scoped_bstr.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_variant.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
@@ skipping 698 matching lines @@
 
   // Ensure we properly cleaned up.
   manager.reset();
   ASSERT_EQ(0, CountedBrowserAccessibility::num_instances());
 }
 
 TEST(BrowserAccessibilityManagerWinTest, TestAccessibleHWND) {
   HWND desktop_hwnd = GetDesktopWindow();
   base::win::ScopedComPtr<IAccessible> desktop_hwnd_iaccessible;
   ASSERT_EQ(S_OK, AccessibleObjectFromWindow(
-      desktop_hwnd, OBJID_CLIENT,
+      desktop_hwnd, static_cast<DWORD>(OBJID_CLIENT),
       IID_IAccessible,
       reinterpret_cast<void**>(desktop_hwnd_iaccessible.Receive())));
 
   scoped_ptr<TestLegacyRenderWidgetHostHWND> accessibility_test
       (new TestLegacyRenderWidgetHostHWND);
   EXPECT_EQ(accessibility_test->Initialize(GetDesktopWindow()), true);
 
   scoped_ptr<BrowserAccessibilityManagerWin> manager(
       new BrowserAccessibilityManagerWin(
           accessibility_test->accessible_hwnd(),
@@ skipping 30 matching lines @@
   manager->MaybeCallNotifyWinEvent(0, 0);
   new_parent_hwnd = manager->parent_hwnd();
   ASSERT_FALSE(NULL == new_parent_hwnd);
 
   // This time, destroy the manager first, make sure the AccessibleHWND doesn't
   // crash on destruction (to be caught by SyzyASAN or other tools).
   manager.reset(NULL);
 }
 
 }  // namespace content