Move DumpBackForwardLists out of WebTestProxyBase.

components/test_runner/web_test_interfaces.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 "components/test_runner/web_test_interfaces.h"
 
 #include <utility>
 
 #include "components/test_runner/app_banner_client.h"
 #include "components/test_runner/event_sender.h"
 #include "components/test_runner/mock_web_audio_device.h"
 #include "components/test_runner/mock_web_media_stream_center.h"
 #include "components/test_runner/mock_web_midi_accessor.h"
 #include "components/test_runner/mock_webrtc_peer_connection_handler.h"
 #include "components/test_runner/test_interfaces.h"
 #include "components/test_runner/test_runner.h"
 #include "components/test_runner/web_frame_test_client.h"
+#include "components/test_runner/web_test_proxy.h"
 #include "components/test_runner/web_view_test_client.h"
 
 using namespace blink;
 
 namespace test_runner {
 
 WebTestInterfaces::WebTestInterfaces() : interfaces_(new TestInterfaces()) {
 }
 
 WebTestInterfaces::~WebTestInterfaces() {
@@ skipping 75 matching lines @@
         interfaces_->GetEventSender()));
 }
 
 scoped_ptr<WebViewTestClient> WebTestInterfaces::CreateWebViewTestClient(
     WebTestProxyBase* web_test_proxy_base) {
   return make_scoped_ptr(new WebViewTestClient(interfaces_->GetTestRunner(),
                                                interfaces_->GetEventSender(),
                                                web_test_proxy_base));
 }
 
+std::vector<blink::WebView*> WebTestInterfaces::GetWindowList() {
+  std::vector<blink::WebView*> result;
+  for (WebTestProxyBase* proxy : interfaces_->GetWindowList())
+    result.push_back(proxy->web_view());
+  return result;
+}
+
 }  // namespace test_runner