Test that simulates touch exploration and checks speech on tabs and also the empty bookmark bar.

chrome/browser/chromeos/accessibility/accessibility_util.cc

Index: chrome/browser/chromeos/accessibility/accessibility_util.cc
diff --git a/chrome/browser/chromeos/accessibility/accessibility_util.cc b/chrome/browser/chromeos/accessibility/accessibility_util.cc
index 3d2d95d4a1f146a7b5c19e0515ed3129079ba6ff..949b9f24184db529808ca8b14c349b4e2172648c 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_util.cc
+++ b/chrome/browser/chromeos/accessibility/accessibility_util.cc
@@ -7,8 +7,13 @@
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ui/singleton_tabs.h"
+#include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
+#include "content/public/test/browser_test_utils.h"
+#include "extensions/browser/extension_host.h"
+#include "extensions/browser/extension_system.h"
+#include "extensions/browser/process_manager.h"
 #include "url/gurl.h"
 
 // TODO(yoshiki): move the following method to accessibility_manager.cc and
@@ -38,5 +43,20 @@ void ShowAccessibilityHelp(Browser* browser) {
   chrome::ShowSingletonTab(browser, GURL(chrome::kChromeAccessibilityHelpURL));
 }
 
+
+void SimulateTouchScreenInChromeVoxForTest(content::BrowserContext* profile) {
+  // ChromeVox looks at whether 'ontouchstart' exists to know whether or not it
+  // should respond to hover events. Fake it so that touch exploration events
+  // get spoken.
+  extensions::ExtensionHost* host =
+      extensions::ExtensionSystem::Get(profile)
+          ->process_manager()
+          ->GetBackgroundHostForExtension(
+              extension_misc::kChromeVoxExtensionId);
+  CHECK(content::ExecuteScript(
+      host->host_contents(),
+      "if (!('ontouchstart' in window)) window.ontouchstart = function() {};"));
+}
+
 }  // namespace accessibility
 }  // namespace chromeos