Allow multiple NaCl modules to be debugged.

chrome/browser/task_manager/resource_provider.cc

 // Copyright 2013 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/task_manager/resource_provider.h"
 
 #include "third_party/WebKit/public/web/WebCache.h"
 
 namespace content {
 class WebContents;
@@ skipping 42 matching lines @@
 }
 
 size_t Resource::GetV8MemoryAllocated() const {
   return 0;
 }
 
 size_t Resource::GetV8MemoryUsed() const {
   return 0;
 }
 
+int Resource::GetNaClDebugStubPort() const {
+  return 0;
+}
+
 bool Resource::CanInspect() const {
   return false;
 }
 
 content::WebContents* Resource::GetWebContents() const {
   return NULL;
 }
 
 bool Resource::IsBackground() const {
   return false;
 }
 
 }  // namespace task_manager