Extract WebWidgetTestClient out of WebTestProxyBase and WebViewTestClient.

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 "base/memory/ptr_util.h"
 #include "components/test_runner/app_banner_client.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"
+#include "components/test_runner/web_widget_test_client.h"
 
 using namespace blink;
 
 namespace test_runner {
 
 WebTestInterfaces::WebTestInterfaces() : interfaces_(new TestInterfaces()) {
 }
 
 WebTestInterfaces::~WebTestInterfaces() {
 }
@@ skipping 64 matching lines @@
                                                  interfaces_->GetDelegate(),
                                                  web_test_proxy_base));
 }
 
 std::unique_ptr<WebViewTestClient> WebTestInterfaces::CreateWebViewTestClient(
     WebTestProxyBase* web_test_proxy_base) {
   return base::WrapUnique(
       new WebViewTestClient(interfaces_->GetTestRunner(), web_test_proxy_base));
 }
 
+std::unique_ptr<WebWidgetTestClient>
+WebTestInterfaces::CreateWebWidgetTestClient(
+    WebTestProxyBase* web_test_proxy_base) {
+  return base::WrapUnique(new WebWidgetTestClient(interfaces_->GetTestRunner(),
+                                                  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