Differential updates for components.

chrome/browser/net/crl_set_fetcher.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 "chrome/browser/net/crl_set_fetcher.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/rand_util.h"
@@ skipping 187 matching lines @@
   if (!BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(
               &CRLSetFetcher::SetCRLSetIfNewer, this, crl_set_))) {
     NOTREACHED();
   }
 
   return true;
 }
 
+bool CRLSetFetcher::GetInstalledFile(
+    const std::string& file, base::FilePath* installed_file) {
+  return false;
+}
+
 CRLSetFetcher::~CRLSetFetcher() {}