Implement WebContentsViewChildFrame::TakeFocus.

chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js

Index: chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js b/chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js
index 3fbeb490e99b1966c4b21e5ea00acd155ca91816..3a7313445396259e1aed4556de0b0a5e9ae031be 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/focus_visibility/window.js
@@ -1,6 +1,59 @@
 // Copyright 2015 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.
+//
+'use strict';
+
+var webViewButtonFocused = false;
+var afterButtonFocused = false;
+
+var verifyBlocked = false;
+
+var isOopif = false;
+
+function handleWebviewFocusEvent(e) {
+  if (e.data === 'focus-event') {
+    e.stopImmediatePropagation();
+    webViewButtonFocused = true;
+    if (verifyBlocked) {
+      verifyBlocked = false;
+      chrome.test.sendMessage('WebViewInteractiveTest.WebViewButtonWasFocused');
+    }
+  }
+};
+
+function listenForWebViewFocus() {
+  window.addEventListener('message', handleWebviewFocusEvent);
+}
+
+function handleAfterFocusEvent(e) {
+  afterButtonFocused = true;
+  if (verifyBlocked) {
+    verifyBlocked = false;
+    chrome.test.sendMessage(
+        'WebViewInteractiveTest.WebViewButtonWasNotFocused');
+  }
+};
+
+function listenForAfterFocus() {
+  document.querySelector('#after').addEventListener('focus',
+      handleAfterFocusEvent);
+}
+
+function listforForKeyup() {
+  console.log('set up keyup listeners');
+  window.addEventListener('keyup', function() {
+    if (isOopif || document.activeElement !== getWebView()) {
+      chrome.test.sendMessage('WebViewInteractiveTest.KeyUp');
+    }
+  });
+  window.addEventListener('message', function(e) {
+    if (e.data === 'guest-keyup') {
+      e.stopImmediatePropagation();
+      chrome.test.sendMessage('WebViewInteractiveTest.KeyUp');
+    }
+  });
+}
 
 function setUpWebView(embedder) {
   var webview = document.createElement('webview');
@@ -9,7 +62,15 @@ function setUpWebView(embedder) {
     var url = 'http://localhost:' + config.testServer.port
         + '/extensions/platform_apps/web_view/focus_visibility/guest.html';
     webview.onloadstop = function() {
-      chrome.test.sendMessage('WebViewInteractiveTest.WebViewInitialized');
+      function callback(e) {
+        if (e.data === 'connected') {
+          e.stopImmediatePropagation();
+          window.removeEventListener('message', callback);
+          chrome.test.sendMessage('WebViewInteractiveTest.WebViewInitialized');
+        }
+      };
+      window.addEventListener('message', callback);
+      getWebView().contentWindow.postMessage('connect', '*');
     };
     webview.src = url;
     console.log('Setting URL to "' + url + '".');
@@ -18,8 +79,7 @@ function setUpWebView(embedder) {
 
 function reset() {
   getWebView().style.visibility = 'visible';
-  document.querySelector('button').focus();
-  webViewButtonReceivedFocus = false;
+  document.querySelector('#before').focus();
 }
 
 function sendMessageToWebViewAndReceiveReply(message, replyCallback) {
@@ -39,21 +99,35 @@ function getWebView() {
 
 window.onAppMessage = function(command) {
   switch (command) {
+    case 'setOopif':
+      isOopif = true;
+      break;
     case 'init':
+      listenForWebViewFocus();
+      listenForAfterFocus();
+      listforForKeyup();
+      document.querySelector('#before').focus();
       setUpWebView(document.querySelector('div'));
       break;
     case 'reset':
       reset();
-      sendMessageToWebViewAndReceiveReply("reset", function() {
-        chrome.test.sendMessage('WebViewInteractiveTest.DidReset');
+      sendMessageToWebViewAndReceiveReply("reset", function(reply) {
+        if (reply === 'reset-complete') {
+          webViewButtonFocused = false;
+          afterButtonFocused = false;
+          verifyBlocked = false;
+          chrome.test.sendMessage('WebViewInteractiveTest.DidReset');
+        }
       });
       break;
     case 'verify':
-      sendMessageToWebViewAndReceiveReply('verify', function(result) {
-        chrome.test.sendMessage(result === 'was-focused' ?
-            'WebViewInteractiveTest.WebViewButtonWasFocused' :
-            'WebViewInteractiveTest.WebViewButtonWasNotFocused');
-      });
+      if (!webViewButtonFocused && !afterButtonFocused) {
+        verifyBlocked = true;
+        return;
+      }
+      chrome.test.sendMessage(webViewButtonFocused ?
+          'WebViewInteractiveTest.WebViewButtonWasFocused' :
+          'WebViewInteractiveTest.WebViewButtonWasNotFocused');
       break;
     case 'hide-webview':
       getWebView().style.visibility = 'hidden';