Do not use ash in chromeos::EventRewriter.

ash/sticky_keys/sticky_keys_unittest.cc

Index: ash/sticky_keys/sticky_keys_unittest.cc
diff --git a/ash/sticky_keys/sticky_keys_unittest.cc b/ash/sticky_keys/sticky_keys_unittest.cc
index 457e3633961318cc8e67b23123e9401aa7f738d1..c1f32a955265c67f567647079fc811237fc23106 100644
--- a/ash/sticky_keys/sticky_keys_unittest.cc
+++ b/ash/sticky_keys/sticky_keys_unittest.cc
@@ -205,23 +205,23 @@ class StickyKeysTest : public test::AshTestBase {
     int down_flags = 0;
     std::unique_ptr<ui::KeyEvent> ev;
     ev.reset(GenerateKey(ui::ET_KEY_PRESSED, key_code));
-    handler->HandleKeyEvent(*ev.get(), key_code, &down_flags, &released);
+    handler->HandleKeyEvent(*ev.get(), &down_flags, &released);
     ev.reset(GenerateKey(ui::ET_KEY_RELEASED, key_code));
-    handler->HandleKeyEvent(*ev.get(), key_code, &down_flags, &released);
+    handler->HandleKeyEvent(*ev.get(), &down_flags, &released);
   }
 
   bool HandleKeyEvent(const ui::KeyEvent& key_event,
                       StickyKeysHandler* handler,
                       int* down,
                       bool* up) {
-    return handler->HandleKeyEvent(key_event, key_event.key_code(), down, up);
+    return handler->HandleKeyEvent(key_event, down, up);
   }
 
   int HandleKeyEventForDownFlags(const ui::KeyEvent& key_event,
                                  StickyKeysHandler* handler) {
     bool released = false;
     int down = 0;
-    handler->HandleKeyEvent(key_event, key_event.key_code(), &down, &released);
+    handler->HandleKeyEvent(key_event, &down, &released);
     return down;
   }