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

chrome/browser/chromeos/accessibility/accessibility_util.h

Index: chrome/browser/chromeos/accessibility/accessibility_util.h
diff --git a/chrome/browser/chromeos/accessibility/accessibility_util.h b/chrome/browser/chromeos/accessibility/accessibility_util.h
index 7f703126dd2af1e709a234118def70fba8cbc74c..b4d2e58e962726625418fb7d86f36966abeb7f42 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_util.h
+++ b/chrome/browser/chromeos/accessibility/accessibility_util.h
@@ -7,6 +7,10 @@
 
 class Browser;
 
+namespace content {
+class BrowserContext;
+}
+
 namespace chromeos {
 namespace accessibility {
 
@@ -19,6 +23,8 @@ bool IsVirtualKeyboardEnabled();
 // Shows the accessibility help tab on the browser.
 void ShowAccessibilityHelp(Browser* browser);
 
+void SimulateTouchScreenInChromeVoxForTest(content::BrowserContext* profile);
+
 }  // namespace accessibility
 }  // namespace chromeos