Make chrome/browser/ui/webui not depend on ash when using Athena

chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc
index ce27f8cc34968a1bb2fe692c0f29078c4f64c813..225ac71666c8923f664d6b8fe9a288b5739aae2b 100644
--- a/chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc
@@ -4,7 +4,6 @@
 
 #include "chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.h"
 
-#include "ash/audio/sounds.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ -24,6 +23,10 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "url/gurl.h"
 
+#if defined(USE_ASH)
+#include "ash/audio/sounds.h"
+#endif
+
 namespace {
 
 const char kJsScreenPath[] = "login.UserImageScreen";
@@ -185,11 +188,15 @@ void UserImageScreenHandler::HandlePhotoTaken(const std::string& image_url) {
 }
 
 void UserImageScreenHandler::HandleTakePhoto() {
+#if defined(USE_ASH)
   ash::PlaySystemSoundIfSpokenFeedback(SOUND_CAMERA_SNAP);
+#endif
 }
 
 void UserImageScreenHandler::HandleDiscardPhoto() {
+#if defined(USE_ASH)
   ash::PlaySystemSoundIfSpokenFeedback(SOUND_OBJECT_DELETE);
+#endif
 }
 
 void UserImageScreenHandler::HandleSelectImage(const std::string& image_url,