Implementation of shared worker code path for WebView file system permission.

chrome/test/data/extensions/platform_apps/web_view/filesystem/shared_worker/multiple/embedder.js

Index: chrome/test/data/extensions/platform_apps/web_view/filesystem/shared_worker/multiple/embedder.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/filesystem/main/embedder.js b/chrome/test/data/extensions/platform_apps/web_view/filesystem/shared_worker/multiple/embedder.js
similarity index 63%
copy from chrome/test/data/extensions/platform_apps/web_view/filesystem/main/embedder.js
copy to chrome/test/data/extensions/platform_apps/web_view/filesystem/shared_worker/multiple/embedder.js
index 901678faad9e6bc9112de374869ae258ea2afe00..5ac5d899a5b4dbfe0eeb56090d2926873d8de66a 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/filesystem/main/embedder.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/filesystem/shared_worker/multiple/embedder.js
@@ -6,6 +6,8 @@ var embedder = {};
 embedder.test = {};
 embedder.baseGuestURL = '';
 embedder.guestURL = '';
+embedder.guestNumber = 3;
+var actualReceivedMessage = 0;
 
 window.runTest = function(testName) {
   if (!embedder.test.testList[testName]) {
@@ -24,22 +26,21 @@ window.runTest = function(testName) {
 embedder.setUp_ = function(config) {
   embedder.baseGuestURL = 'http://localhost:' + config.testServer.port;
   embedder.guestURL = embedder.baseGuestURL +
-      '/extensions/platform_apps/web_view/filesystem/main' +
-      '/guest_main.html';
+      '/extensions/platform_apps/web_view/filesystem/shared_worker/multiple' +
+      '/guest_shared_worker.html';
   chrome.test.log('Guest url is: ' + embedder.guestURL);
 };
 
 /** @private */
 embedder.setUpGuest_ = function() {
-  document.querySelector('#webview-tag-container').innerHTML =
-      '<webview style="width: 100px; height: 100px;"' +
-      ' src="' + embedder.guestURL + '"' +
-      ' partition = "persist:a"' +
-      '></webview>';
-  var webview = document.querySelector('webview');
-  if (!webview) {
-    console.log('No <webview> element created');
-    embedder.test.fail();
+  var webview = [];
+  var container = document.querySelector('#webview-tag-container');
+  for (var i = 0;  i < embedder.guestNumber; ++i) {
+    webview[i] = document.createElement('webview');
+    webview[i].style.width = '100px';
+    webview[i].style.height = '100px';
+    webview[i].setAttribute('partition', "persist:a");
+    container.appendChild(webview[i]);
   }
   return webview;
 };
@@ -73,13 +74,12 @@ embedder.test.assertFalse = function(condition) {
 };
 
 /** @private */
-embedder.setUpLoadStop_ = function(webview, testName) {
-  window.console.log('embedder.setUpLoadStop_');
+embedder.setUpLoadStop_ = function(webview, testName, id) {
   var onWebViewLoadStop = function(e) {
-    window.console.log('embedder.onWebViewLoadStop');
+    window.console.log('embedder.onWebViewLoadStop of guest No.' + id);
     // Send post message to <webview> when it's ready to receive them.
     var msgArray = ['check-filesystem-permission', '' + testName];
-    window.console.log('embedder.webview.postMessage');
+    window.console.log('embedder.webview[' + id + '].postMessage');
     webview.contentWindow.postMessage(JSON.stringify(msgArray), '*');
   };
   webview.addEventListener('loadstop', onWebViewLoadStop);
@@ -89,15 +89,18 @@ embedder.setUpLoadStop_ = function(webview, testName) {
 embedder.registerAndWaitForPostMessage_ = function(
     webview, expectedData) {
   var testName = expectedData[0];
+  var expectedMessageNumber = embedder.guestNumber;
+
   var onPostMessageReceived = function(e) {
     var data = JSON.parse(e.data);
-    if (data[0] == '' + testName) {
+    if (data[0] == '' + testName)
+      actualReceivedMessage ++;
       embedder.test.assertEq(expectedData.length, data.length);
       for (var i = 0; i < expectedData.length; ++i) {
         embedder.test.assertEq(expectedData[i], data[i]);
       }
-      embedder.test.succeed();
-    }
+      if (actualReceivedMessage == expectedMessageNumber)
+        embedder.test.succeed();
   };
   window.addEventListener('message', onPostMessageReceived);
 };
@@ -116,8 +119,8 @@ embedder.assertCorrectEvent_ = function(e) {
 // The embedder has to initiate a post message so that the guest can get a
 // reference to embedder to send the reply back.
 
-// Loads a guest which requests filesystem. The embedder explicitly
-// allows acccess to filesystem for the guest.
+// Loads multiple guests each of which creates a shared worker to request
+// filesystem. The embedder explicitly allows acccess to filesystem for guests.
 function testAllow() {
   var webview = embedder.setUpGuest_();
 
@@ -126,15 +129,19 @@ function testAllow() {
     embedder.assertCorrectEvent_(e);
     e.request.allow();
   };
-  webview.addEventListener('permissionrequest', onPermissionRequest);
-
-  embedder.setUpLoadStop_(webview, 'test1');
+  for(var i = 0; i < embedder.guestNumber; ++i) {
+    webview[i].addEventListener('permissionrequest', onPermissionRequest);
+    embedder.setUpLoadStop_(webview[i], 'test1', i);
+    webview[i].setAttribute('src', embedder.guestURL);
+  }
+  actualReceivedMessage = 0;
   embedder.registerAndWaitForPostMessage_(
       webview, ['test1', 'access-granted']);
 }
 
-// Loads a guest which requests filesystem. The embedder explicitly
-// denies access to filesystem for the guest.
+// Loads multiple guests each of which creates a shared worker to request
+// filesystem. The embedder explicitly denies access to filesystem for
+// guests.
 function testDeny() {
   var webview = embedder.setUpGuest_();
 
@@ -143,25 +150,31 @@ function testDeny() {
     embedder.assertCorrectEvent_(e);
     e.request.deny();
   };
-  webview.addEventListener('permissionrequest', onPermissionRequest);
-
-  embedder.setUpLoadStop_(webview, 'test2');
+  for (var i = 0; i < embedder.guestNumber; ++i) {
+    webview[i].addEventListener('permissionrequest', onPermissionRequest);
+    embedder.setUpLoadStop_(webview[i], 'test2', i);
+    webview[i].setAttribute('src', embedder.guestURL);
+  }
+  actualReceivedMessage = 0;
   embedder.registerAndWaitForPostMessage_(
       webview, ['test2', 'access-denied']);
 }
 
-// Loads a guest which requests filesystem. The embedder does not
-// perform an explicit action, and the default permission according
-// to cookie setting is allowed.
+// Loads multiple guests each of which creates a shared worker to request
+// filesystem. The embedder does not perform an explicit action, and the
+// default permission according to cookie setting is allowed.
 function testDefaultAllow() {
   var webview = embedder.setUpGuest_();
 
   var onPermissionRequest = function(e) {
     embedder.assertCorrectEvent_(e);
   };
-  webview.addEventListener('permissionrequest', onPermissionRequest);
-
-  embedder.setUpLoadStop_(webview, 'test3');
+  for (var i = 0; i < embedder. guestNumber; ++i) {
+    webview[i].addEventListener('permissionrequest', onPermissionRequest);
+    embedder.setUpLoadStop_(webview[i], 'test3', i);
+    webview[i].setAttribute('src', embedder.guestURL);
+  }
+  actualReceivedMessage = 0;
   embedder.registerAndWaitForPostMessage_(
       webview, ['test3', 'access-granted']);
 }