Make InputMethodWin TSF-aware.

ui/base/ime/win/mock_tsf_bridge.h

Index: ui/base/ime/win/mock_tsf_bridge.h
diff --git a/ui/base/ime/win/mock_tsf_bridge.h b/ui/base/ime/win/mock_tsf_bridge.h
index a47b816050604a3ff988e81412e75aa9597e633f..0ba481823843b4ed72d148d674cf52530725e07b 100644
--- a/ui/base/ime/win/mock_tsf_bridge.h
+++ b/ui/base/ime/win/mock_tsf_bridge.h
@@ -23,6 +23,7 @@ class MockTSFBridge : public TSFBridge {
   virtual void Shutdown() OVERRIDE;
   virtual bool CancelComposition() OVERRIDE;
   virtual void OnTextInputTypeChanged(TextInputClient* client) OVERRIDE;
+  virtual void OnTextLayoutChanged() OVERRIDE;
   virtual void SetFocusedClient(HWND focused_window,
                                 TextInputClient* client) OVERRIDE;
   virtual void RemoveFocusedClient(TextInputClient* client) OVERRIDE;
@@ -46,6 +47,11 @@ class MockTSFBridge : public TSFBridge {
     return cancel_composition_call_count_;
   }
 
+  // Call count of OnTextLayoutChanged().
+  int on_text_layout_changed() const {
+    return on_text_layout_changed_;
+  }
+
   // Call count of AssociateFocus().
   int associate_focus_call_count() const { return associate_focus_call_count_; }
 
@@ -75,6 +81,7 @@ class MockTSFBridge : public TSFBridge {
   int enable_ime_call_count_;
   int disalbe_ime_call_count_;
   int cancel_composition_call_count_;
+  int on_text_layout_changed_;
   int associate_focus_call_count_;
   int set_focused_client_call_count_;
   int remove_focused_client_call_count_;