Revert "Fix a ton of compiler warnings."

chrome/browser/gears_integration.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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/gears_integration.h"
 
 #include "base/gfx/png_encoder.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "chrome/browser/chrome_plugin_host.h"
@@ skipping 235 matching lines @@
 
   std::string name_utf8 = WideToUTF8(name);
   std::string description_utf8 = WideToUTF8(app_info.description);
   const GURL& url =
       !app_info.app_url.is_empty() ? app_info.app_url : fallback_url;
 
   CreateShortcutCommand* command =
       new CreateShortcutCommand(name_utf8, orig_name_utf8, url.spec(),
                                 description_utf8,
                                 app_info.icons, fallback_icon, callback);
-  CPHandleCommand(GEARSPLUGINCOMMAND_CREATE_SHORTCUT, command, 0u);
+  CPHandleCommand(GEARSPLUGINCOMMAND_CREATE_SHORTCUT, command, NULL);
 }
 
 // This class holds and manages the data passed to the
 // GEARSPLUGINCOMMAND_GET_SHORTCUT_LIST plugin command.  When the command is
 // invoked, we proxy the results over to the calling thread.
 class QueryShortcutsCommand : public CPCommandInterface {
  public:
   explicit QueryShortcutsCommand(GearsQueryShortcutsCallback* callback) :
       callback_(callback), calling_loop_(MessageLoop::current()) {
     shortcut_list_.shortcuts = NULL;
@@ skipping 36 matching lines @@
     QueryShortcutsCommand* remover) {
 }
 template<>
 void RunnableMethodTraits<QueryShortcutsCommand>::ReleaseCallee(
     QueryShortcutsCommand* remover) {
 }
 
 void GearsQueryShortcuts(GearsQueryShortcutsCallback* callback) {
   CPHandleCommand(GEARSPLUGINCOMMAND_GET_SHORTCUT_LIST,
       new QueryShortcutsCommand(callback),
-      0u);
+      NULL);
 }