aw: Use comparison DCHECKs where appropriate

android_webview/browser/net_disk_cache_remover.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 "android_webview/browser/net_disk_cache_remover.h"
 
 #include "base/bind_helpers.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_context.h"
 #include "net/base/completion_callback.h"
 
 using content::BrowserThread;
 using disk_cache::Backend;
 using net::CompletionCallback;
 using net::URLRequestContextGetter;
 
 namespace {
 // Everything is called and accessed on the IO thread.
 
 void Noop(int rv) {
-  DCHECK(rv == net::OK);
+  DCHECK_EQ(net::OK, rv);
 }
 
 void CallDoomAllEntries(Backend** backend, int rv) {
-  DCHECK(rv == net::OK);
+  DCHECK_EQ(net::OK, rv);
   (*backend)->DoomAllEntries(base::Bind(&Noop));
 }
 
 void ClearHttpDiskCacheOfContext(URLRequestContextGetter* context_getter) {
   typedef Backend* BackendPtr;  // Make line below easier to understand.
   BackendPtr* backend_ptr = new BackendPtr(NULL);
   CompletionCallback callback(base::Bind(&CallDoomAllEntries,
                                          base::Owned(backend_ptr)));
 
   int rv = context_getter->GetURLRequestContext()->
@@ skipping 25 matching lines @@
           renderer_child_id);
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ClearHttpDiskCacheOnIoThread,
                  base::Unretained(main_context_getter),
                  base::Unretained(media_context_getter)));
 }
 
 }  // namespace android_webview