Add an end to end test: virtual keyboard opens on click of text input

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 383df5534aa705b0dcd8df238f72fa6e3411b9dc..685e87619f7731a944d5fe8bebea43ed22db5605 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -2105,6 +2105,7 @@ test("browser_tests") {
         "../browser/ui/ash/app_list/app_list_controller_ash_browsertest.cc",
         "../browser/ui/ash/chrome_new_window_client_browsertest.cc",
         "../browser/ui/ash/keyboard_controller_browsertest.cc",
+        "../browser/ui/ash/keyboard_end_to_end_browsertest.cc",
         "../browser/ui/ash/launcher/chrome_launcher_controller_impl_browsertest.cc",
         "../browser/ui/ash/launcher/launcher_favicon_loader_browsertest.cc",
         "../browser/ui/ash/multi_user/multi_user_window_manager_test.cc",
@@ -2119,6 +2120,7 @@ test("browser_tests") {
       deps += [
         "//ash/test:ash_with_aura_test_support",
         "//ash/test:test_support_with_content",
+        "//ui/keyboard:test_support",
       ]
 
       if (enable_app_list) {