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 5047bfb703aa706ba2f49eb6f2833347c91de497..e3aac464b1ddcbcb2fed66c17444e06a69e38955 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),
       can_lock_screen_(true),
       is_search_key_acting_as_function_key_(false),
@@ -113,6 +115,26 @@ 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::SetMagnifier(const MagnifierType type) {
+  screen_magnifier_type_ = type;
+}
+
+MagnifierType TestShellDelegate::GetMagnifierType() const {
+  return screen_magnifier_type_;
+}
+
+bool TestShellDelegate::ShouldAlwaysShowAccessibilityMenu() const {
+  return false;
+}
+
 app_list::AppListViewDelegate* TestShellDelegate::CreateAppListViewDelegate() {
   return NULL;
 }