Add some empty classes for the embedded SharedWorker.

content/browser/worker_host/shared_worker_document_set.cc

Index: content/browser/worker_host/shared_worker_document_set.cc
diff --git a/content/browser/worker_host/worker_document_set.cc b/content/browser/worker_host/shared_worker_document_set.cc
similarity index 54%
copy from content/browser/worker_host/worker_document_set.cc
copy to content/browser/worker_host/shared_worker_document_set.cc
index 1bd193b592d1135cb4a67f7a49c6412b33420034..ebc2ca3353c74a522c33d879df96c6f729724845 100644
--- a/content/browser/worker_host/worker_document_set.cc
+++ b/content/browser/worker_host/shared_worker_document_set.cc
@@ -1,26 +1,26 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright 2014 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 "content/browser/worker_host/worker_document_set.h"
+#include "content/browser/worker_host/shared_worker_document_set.h"
 
 #include "base/logging.h"
 
 namespace content {
 
-WorkerDocumentSet::WorkerDocumentSet() {
+SharedWorkerDocumentSet::SharedWorkerDocumentSet() {
 }
 
-void WorkerDocumentSet::Add(WorkerMessageFilter* parent,
-                            unsigned long long document_id,
-                            int render_process_id,
-                            int render_frame_id) {
+void SharedWorkerDocumentSet::Add(SharedWorkerMessageFilter* parent,
+                                  unsigned long long document_id,
+                                  int render_process_id,
+                                  int render_frame_id) {
   DocumentInfo info(parent, document_id, render_process_id, render_frame_id);
   document_set_.insert(info);
 }
 
-bool WorkerDocumentSet::Contains(WorkerMessageFilter* parent,
-                                 unsigned long long document_id) const {
+bool SharedWorkerDocumentSet::Contains(SharedWorkerMessageFilter* parent,
+                                       unsigned long long document_id) const {
   for (DocumentInfoSet::const_iterator i = document_set_.begin();
        i != document_set_.end(); ++i) {
     if (i->filter() == parent && i->document_id() == document_id)
@@ -29,8 +29,18 @@ bool WorkerDocumentSet::Contains(WorkerMessageFilter* parent,
   return false;
 }
 
-void WorkerDocumentSet::Remove(WorkerMessageFilter* parent,
-                               unsigned long long document_id) {
+bool SharedWorkerDocumentSet::ContainsExternalRenderer(
+      int worker_process_id) const {
+  for (DocumentInfoSet::const_iterator i = document_set_.begin();
+       i != document_set_.end(); ++i) {
+    if (i->render_process_id() != worker_process_id)
+      return true;
+  }
+  return false;
+}
+
+void SharedWorkerDocumentSet::Remove(SharedWorkerMessageFilter* parent,
+                                     unsigned long long document_id) {
   for (DocumentInfoSet::iterator i = document_set_.begin();
        i != document_set_.end(); i++) {
     if (i->filter() == parent && i->document_id() == document_id) {
@@ -42,7 +52,7 @@ void WorkerDocumentSet::Remove(WorkerMessageFilter* parent,
   DCHECK(!Contains(parent, document_id));
 }
 
-void WorkerDocumentSet::RemoveAll(WorkerMessageFilter* parent) {
+void SharedWorkerDocumentSet::RemoveAll(SharedWorkerMessageFilter* parent) {
   for (DocumentInfoSet::iterator i = document_set_.begin();
        i != document_set_.end();) {
 
@@ -58,8 +68,8 @@ void WorkerDocumentSet::RemoveAll(WorkerMessageFilter* parent) {
   }
 }
 
-WorkerDocumentSet::DocumentInfo::DocumentInfo(
-    WorkerMessageFilter* filter, unsigned long long document_id,
+SharedWorkerDocumentSet::DocumentInfo::DocumentInfo(
+    SharedWorkerMessageFilter* filter, unsigned long long document_id,
     int render_process_id, int render_frame_id)
     : filter_(filter),
       document_id_(document_id),
@@ -67,7 +77,7 @@ WorkerDocumentSet::DocumentInfo::DocumentInfo(
       render_frame_id_(render_frame_id) {
 }
 
-WorkerDocumentSet::~WorkerDocumentSet() {
+SharedWorkerDocumentSet::~SharedWorkerDocumentSet() {
 }
 
 }  // namespace content