Move didFocus from WebWidgetClient to WebViewClient.

components/test_runner/web_widget_test_client.cc

 // Copyright 2016 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_widget_test_client.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/time/time.h"
@@ skipping 75 matching lines @@
 }
 
 void WebWidgetTestClient::requestPointerUnlock() {
   web_test_proxy_base_->view_test_runner()->RequestPointerUnlock();
 }
 
 bool WebWidgetTestClient::isPointerLocked() {
   return web_test_proxy_base_->view_test_runner()->isPointerLocked();
 }
 
-void WebWidgetTestClient::didFocus() {
-  test_runner_->SetFocus(web_test_proxy_base_->web_view(), true);
-}
-
 void WebWidgetTestClient::setToolTipText(const blink::WebString& text,
                                          blink::WebTextDirection direction) {
   test_runner_->setToolTipText(text);
 }
 
 void WebWidgetTestClient::resetInputMethod() {
   // If a composition text exists, then we need to let the browser process
   // to cancel the input method's ongoing composition session.
   if (web_test_proxy_base_)
     web_test_proxy_base_->web_widget()->confirmComposition();
 }
 
 }  // namespace test_runner