ozone: Protect X11-specific code under chrome/browser/ui/ash

This fixes some build errors for the "chromeos=1 use_ozone=1" build. The
code under ash/accelerators is currently only supported under X11.

BUG=361341
TEST=chrome --ozone-platform=test

Review URL: https://codereview.chromium.org/232133005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@262923 0039d316-1c4b-4281-b951-d872f2087c98

ash/accelerators/accelerator_dispatcher_linux.cc

@@ -64,7 +64,11 @@ class AcceleratorDispatcherLinux : public AcceleratorDispatcher,
     if (IsKeyEvent(event)) {
       ui::KeyEvent key_event(event, false);
       if (MenuClosedForPossibleAccelerator(key_event)) {
+#if defined(USE_X11)
         XPutBackEvent(event->xany.display, event);
+#else
+        NOTIMPLEMENTED();
+#endif
         return ui::POST_DISPATCH_QUIT_LOOP;
       }
 

chrome/browser/ui/ash/ash_init.cc

@@ -44,12 +44,14 @@ bool ShouldOpenAshOnStartup() {
 
 void OpenAsh() {
 #if defined(OS_CHROMEOS)
+#if defined(USE_X11)
   if (base::SysInfo::IsRunningOnChromeOS()) {
     // Hides the cursor outside of the Aura root window. The cursor will be
     // drawn within the Aura root window, and it'll remain hidden after the
     // Aura window is closed.
     ui::HideHostCursor();
   }
+#endif
 
   // Hide the mouse cursor completely at boot.
   if (!chromeos::LoginState::Get()->IsUserLoggedIn())

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

@@ -55,12 +55,14 @@ void InitAfterSessionStart() {
   if (!mru_list.empty())
     mru_list.front()->Focus();
 
+#if defined(USE_X11)
   // Enable magnifier scroll keys as there may be no mouse cursor in kiosk mode.
   ash::MagnifierKeyScroller::SetEnabled(chrome::IsRunningInForcedAppMode());
 
   // Enable long press action to toggle spoken feedback with hotrod
   // remote which can't handle shortcut.
   ash::SpokenFeedbackToggler::SetEnabled(chrome::IsRunningInForcedAppMode());
+#endif
 }
 
 class AccessibilityDelegateImpl : public ash::AccessibilityDelegate {