chromeos: Refactor system tray "show settings" commands to use mojo

ash/common/system/tray/system_tray_controller.cc

Index: ash/common/system/tray/system_tray_controller.cc
diff --git a/ash/common/system/tray/system_tray_controller.cc b/ash/common/system/tray/system_tray_controller.cc
index 54c0216714face4f773f7518364f9b8a759e085a..15054e342add06d3de100058e76be8b65248f3fd 100644
--- a/ash/common/system/tray/system_tray_controller.cc
+++ b/ash/common/system/tray/system_tray_controller.cc
@@ -17,11 +17,71 @@ SystemTrayController::SystemTrayController(shell::Connector* connector)
 
 SystemTrayController::~SystemTrayController() {}
 
+void SystemTrayController::ShowSettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowSettings();
+}
+
 void SystemTrayController::ShowDateSettings() {
   if (ConnectToSystemTrayClient())
     system_tray_client_->ShowDateSettings();
 }
 
+void SystemTrayController::ShowDisplaySettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowDisplaySettings();
+}
+
+void SystemTrayController::ShowPowerSettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowPowerSettings();
+}
+
+void SystemTrayController::ShowChromeSlow() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowChromeSlow();
+}
+
+void SystemTrayController::ShowIMESettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowIMESettings();
+}
+
+void SystemTrayController::ShowHelp() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowHelp();
+}
+
+void SystemTrayController::ShowAccessibilityHelp() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowAccessibilityHelp();
+}
+
+void SystemTrayController::ShowAccessibilitySettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowAccessibilitySettings();
+}
+
+void SystemTrayController::ShowPaletteHelp() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowPaletteHelp();
+}
+
+void SystemTrayController::ShowPaletteSettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowPaletteSettings();
+}
+
+void SystemTrayController::ShowPublicAccountInfo() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowPublicAccountInfo();
+}
+
+void SystemTrayController::ShowProxySettings() {
+  if (ConnectToSystemTrayClient())
+    system_tray_client_->ShowProxySettings();
+}
+
 void SystemTrayController::BindRequest(mojom::SystemTrayRequest request) {
   bindings_.AddBinding(this, std::move(request));
 }