Make InputMethodWin TSF-aware.

ui/base/ime/win/mock_tsf_bridge.cc

Index: ui/base/ime/win/mock_tsf_bridge.cc
diff --git a/ui/base/ime/win/mock_tsf_bridge.cc b/ui/base/ime/win/mock_tsf_bridge.cc
index c71eb074cd47b833c0ec26289b7afdf2e56ecf7c..6cdb23c985d6b199dec449ac7b6c23e8a5e3535f 100644
--- a/ui/base/ime/win/mock_tsf_bridge.cc
+++ b/ui/base/ime/win/mock_tsf_bridge.cc
@@ -38,6 +38,10 @@ void MockTSFBridge::OnTextInputTypeChanged(TextInputClient* client) {
   latest_text_input_type_ = client->GetTextInputType();
 }
 
+void MockTSFBridge::OnTextLayoutChanged() {
+  ++on_text_layout_changed_;
+}
+
 void MockTSFBridge::SetFocusedClient(HWND focused_window,
                                      TextInputClient* client) {
   ++set_focused_client_call_count_;
@@ -65,6 +69,7 @@ void MockTSFBridge::Reset() {
   enable_ime_call_count_ = 0;
   disalbe_ime_call_count_ = 0;
   cancel_composition_call_count_ = 0;
+  on_text_layout_changed_ = 0;
   associate_focus_call_count_ = 0;
   set_focused_client_call_count_ = 0;
   remove_focused_client_call_count_ = 0;