Makes the InputMethodEngine can be switched per profile when the top-level browser window is switch…

chrome/browser/chromeos/input_method/input_method_engine_unittest.cc

Index: chrome/browser/chromeos/input_method/input_method_engine_unittest.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_engine_unittest.cc b/chrome/browser/chromeos/input_method/input_method_engine_unittest.cc
index f2f2391f3a22eb3eddb6817b989bbf479f3ec1e1..2cea3b754d61fa7f5135996f58cabfc4bf0d8d3d 100644
--- a/chrome/browser/chromeos/input_method/input_method_engine_unittest.cc
+++ b/chrome/browser/chromeos/input_method/input_method_engine_unittest.cc
@@ -106,6 +106,7 @@ class TestObserver : public InputMethodEngineBase::Observer {
                                 int cursor_pos,
                                 int anchor_pos,
                                 int offset) override {}
+  void OnRequestEngineSwitch() override {}
   void OnCompositionBoundsChanged(
       const std::vector<gfx::Rect>& bounds) override {
     calls_bitmap_ |= ONCOMPOSITIONBOUNDSCHANGED;