Begun the DCHECK() cleanup. Starting off with /src/chrome/a* and /src/chrome/...

chrome/browser/appcache/appcache_frontend_proxy.cc

 // Copyright (c) 2010 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/appcache/appcache_frontend_proxy.h"
 
 #include "chrome/common/render_messages.h"
 
 AppCacheFrontendProxy::AppCacheFrontendProxy(IPC::Message::Sender* sender)
     : sender_(sender) {
 }
 
 void AppCacheFrontendProxy::OnCacheSelected(
     int host_id, const appcache::AppCacheInfo& info) {
   sender_->Send(new AppCacheMsg_CacheSelected(host_id, info));
 }
 
 void AppCacheFrontendProxy::OnStatusChanged(const std::vector<int>& host_ids,
                                             appcache::Status status) {
   sender_->Send(new AppCacheMsg_StatusChanged(host_ids, status));
 }
 
 void AppCacheFrontendProxy::OnEventRaised(const std::vector<int>& host_ids,
                                           appcache::EventID event_id) {
-  DCHECK(event_id != appcache::PROGRESS_EVENT);  // See OnProgressEventRaised.
+  DCHECK_NE(event_id, appcache::PROGRESS_EVENT);  // See OnProgressEventRaised.
   sender_->Send(new AppCacheMsg_EventRaised(host_ids, event_id));
 }
 
 void AppCacheFrontendProxy::OnProgressEventRaised(
     const std::vector<int>& host_ids,
     const GURL& url, int num_total, int num_complete) {
   sender_->Send(new AppCacheMsg_ProgressEventRaised(
       host_ids, url, num_total, num_complete));
 }
 
 void AppCacheFrontendProxy::OnErrorEventRaised(
     const std::vector<int>& host_ids,
     const std::string& message) {
   sender_->Send(new AppCacheMsg_ErrorEventRaised(
       host_ids, message));
 }
 
 void AppCacheFrontendProxy::OnLogMessage(int host_id,
                                          appcache::LogLevel log_level,
                                          const std::string& message) {
   sender_->Send(new AppCacheMsg_LogMessage(host_id, log_level, message));
 }
 
 void AppCacheFrontendProxy::OnContentBlocked(int host_id,
                                              const GURL& manifest_url) {
   sender_->Send(new AppCacheMsg_ContentBlocked(host_id, manifest_url));
 }