A11y: Introduce High Contrast Mode and Screen Magnifier to ubar tray.

ash/test/test_shell_delegate.cc

Index: ash/test/test_shell_delegate.cc
diff --git a/ash/test/test_shell_delegate.cc b/ash/test/test_shell_delegate.cc
index e406d765b23289ce7f773599653c411a95849824..ac3da8d2f93f7f06d41a53587675d0a901c33fdf 100644
--- a/ash/test/test_shell_delegate.cc
+++ b/ash/test/test_shell_delegate.cc
@@ -22,6 +22,8 @@ TestShellDelegate::TestShellDelegate()
     : locked_(false),
       session_started_(true),
       spoken_feedback_enabled_(false),
+      high_contrast_enabled_(false),
+      screen_magnifier_type_(MAGNIFIER_OFF),
       user_logged_in_(true),
       num_exit_requests_(0) {
 }
@@ -107,6 +109,26 @@ bool TestShellDelegate::IsSpokenFeedbackEnabled() const {
   return spoken_feedback_enabled_;
 }
 
+void TestShellDelegate::ToggleHighContrast() {
+  high_contrast_enabled_ = !high_contrast_enabled_;
+}
+
+bool TestShellDelegate::IsHighContrastEnabled() const {
+  return high_contrast_enabled_;
+}
+
+void TestShellDelegate::SetScreenMagnifier(const ScreenMagnifierType type) {
+  screen_magnifier_type_ = type;
+}
+
+ScreenMagnifierType TestShellDelegate::GetScreenMagnifierType() const {
+  return screen_magnifier_type_;
+}
+
+bool TestShellDelegate::AlwaysShowAccessibilityMenu() const {
+  return false;
+}
+
 app_list::AppListViewDelegate* TestShellDelegate::CreateAppListViewDelegate() {
   return NULL;
 }