Use correct WebView from AccessibilityController.

components/test_runner/web_test_proxy.cc

 // 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 "components/test_runner/web_test_proxy.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include "components/test_runner/accessibility_controller.h"
 #include "components/test_runner/event_sender.h"
 #include "components/test_runner/mock_screen_orientation_client.h"
 #include "components/test_runner/test_interfaces.h"
 #include "components/test_runner/test_runner.h"
 #include "components/test_runner/text_input_controller.h"
 #include "components/test_runner/web_test_delegate.h"
 #include "components/test_runner/web_test_interfaces.h"
 
 namespace test_runner {
 
 WebTestProxyBase::WebTestProxyBase()
     : test_interfaces_(nullptr),
       delegate_(nullptr),
       web_view_(nullptr),
       web_widget_(nullptr),
+      accessibility_controller_(new AccessibilityController(this)),
       event_sender_(new EventSender(this)),
       text_input_controller_(new TextInputController(this)) {}
 
 WebTestProxyBase::~WebTestProxyBase() {
   test_interfaces_->WindowClosed(this);
 }
 
 void WebTestProxyBase::SetInterfaces(WebTestInterfaces* interfaces) {
   test_interfaces_ = interfaces->GetTestInterfaces();
   test_interfaces_->WindowOpened(this);
 }
 
 void WebTestProxyBase::SetSendWheelGestures(bool send_gestures) {
   event_sender_->set_send_wheel_gestures(send_gestures);
 }
 
 void WebTestProxyBase::Reset() {
+  accessibility_controller_->Reset();
   event_sender_->Reset();
   // text_input_controller_ doesn't have any state to reset.
 }
 
 void WebTestProxyBase::BindTo(blink::WebLocalFrame* frame) {
+  accessibility_controller_->Install(frame);
   event_sender_->Install(frame);
   text_input_controller_->Install(frame);
 }
 
 void WebTestProxyBase::GetScreenOrientationForTesting(
     blink::WebScreenInfo& screen_info) {
   MockScreenOrientationClient* mock_client =
       test_interfaces_->GetTestRunner()->getMockScreenOrientationClient();
   if (mock_client->IsDisabled())
     return;
   // Override screen orientation information with mock data.
   screen_info.orientationType = mock_client->CurrentOrientationType();
   screen_info.orientationAngle = mock_client->CurrentOrientationAngle();
 }
 
 }  // namespace test_runner