Replace "nested message loop" with "nested run loop" in comments.

ui/base/win/shell.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 "ui/base/win/shell.h"
 
 #include <dwmapi.h>
 #include <shlobj.h>  // Must be before propkey.
 #include <propkey.h>
 #include <shellapi.h>
@@ skipping 95 matching lines @@
   base::win::ScopedComPtr<IPropertyStore> pps;
   if (FAILED(SHGetPropertyStoreForWindow(hwnd,
                                          IID_PPV_ARGS(pps.Receive()))))
     return false;
 
   return base::win::SetBooleanValueForPropertyStore(
       pps.Get(), PKEY_AppUserModel_PreventPinning, true);
 }
 
 // TODO(calamity): investigate moving this out of the UI thread as COM
-// operations may spawn nested message loops which can cause issues.
+// operations may spawn nested run loops which can cause issues.
 void SetAppDetailsForWindow(const base::string16& app_id,
                             const base::FilePath& app_icon_path,
                             int app_icon_index,
                             const base::string16& relaunch_command,
                             const base::string16& relaunch_display_name,
                             HWND hwnd) {
   DCHECK(hwnd);
 
   // This functionality is only available on Win7+.
   if (base::win::GetVersion() < base::win::VERSION_WIN7)
@@ skipping 85 matching lines @@
   // at the same feature level. See bug 426573.
   if (base::win::GetVersion() < base::win::VERSION_WIN7)
     return false;
   // If composition is not enabled, we behave like on XP.
   BOOL enabled = FALSE;
   return SUCCEEDED(DwmIsCompositionEnabled(&enabled)) && enabled;
 }
 
 }  // namespace win
 }  // namespace ui