Browser Plugin: Don't crash browser when reloading crashed webview

chrome/test/data/extensions/platform_apps/web_view/shim/main.js

 // Copyright (c) 2012 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.
 
 var util = {};
 var embedder = {};
 embedder.baseGuestURL = '';
 embedder.emptyGuestURL = '';
 embedder.windowOpenGuestURL = '';
 embedder.noReferrerGuestURL = '';
@@ skipping 1349 matching lines @@
   webview.addEventListener('loadcommit', function(e) {
     embedder.test.assertEq(triggerNavUrl, e.url);
     embedder.test.assertTrue(e.isTopLevel);
     loadCommitCount++;
   });
 
   webview.setAttribute('src', triggerNavUrl);
   document.body.appendChild(webview);
 }
 
+// This test verifies that the reload method on webview functions as expected.
+function testReloadAfterTerminate() {
+  var triggerNavUrl = 'data:text/html,trigger navigation';
+  var webview = document.createElement('webview');
+
+  var step = 1;
+  webview.addEventListener('loadstop', function(e) {
+    switch (step) {
+      case 1:
+        webview.terminate();
+        break;
+      case 2:
+        setTimeout(function() { embedder.test.succeed(); }, 0);
+        break;
+      default:
+        window.console.log('Unexpected loadstop event, step = ' + step);
+        embedder.test.fail();
+        break;
+    }
+    ++step;
+  });
+
+  webview.addEventListener('exit', function(e) {
+    // Trigger a focus state change of the guest to test for
+    // http://crbug.com/413874.
+    webview.blur();
+    webview.focus();
+    setTimeout(function() { webview.reload(); }, 0);
+  });
+
+  webview.src = triggerNavUrl;
+  document.body.appendChild(webview);
+}
+
 // This test verifies that a <webview> is torn down gracefully when removed from
 // the DOM on exit.
 
 window.removeWebviewOnExitDoCrash = null;
 
 function testRemoveWebviewOnExit() {
   var triggerNavUrl = 'data:text/html,trigger navigation';
   var webview = document.createElement('webview');
 
   webview.addEventListener('loadstop', function(e) {
@@ skipping 447 matching lines @@
       testLoadAbortChromeExtensionURLWrongPartition,
   'testLoadAbortEmptyResponse': testLoadAbortEmptyResponse,
   'testLoadAbortIllegalChromeURL': testLoadAbortIllegalChromeURL,
   'testLoadAbortIllegalFileURL': testLoadAbortIllegalFileURL,
   'testLoadAbortIllegalJavaScriptURL': testLoadAbortIllegalJavaScriptURL,
   'testLoadAbortInvalidNavigation': testLoadAbortInvalidNavigation,
   'testLoadAbortNonWebSafeScheme': testLoadAbortNonWebSafeScheme,
   'testNavigateAfterResize': testNavigateAfterResize,
   'testNavigationToExternalProtocol': testNavigationToExternalProtocol,
   'testReload': testReload,
+  'testReloadAfterTerminate': testReloadAfterTerminate,
   'testRemoveWebviewOnExit': testRemoveWebviewOnExit,
   'testRemoveWebviewAfterNavigation': testRemoveWebviewAfterNavigation,
   'testResizeWebviewResizesContent': testResizeWebviewResizesContent,
   'testPostMessageCommChannel': testPostMessageCommChannel,
   'testScreenshotCapture' : testScreenshotCapture,
   'testZoomAPI' : testZoomAPI,
   'testFindAPI': testFindAPI,
   'testFindAPI_findupdate': testFindAPI
 };
 
 onload = function() {
   chrome.test.getConfig(function(config) {
     embedder.setUp_(config);
     chrome.test.sendMessage("Launched");
   });
 };