Combine the WM_CHAR with WM_KEY* for key event flow.

ui/base/ime/remote_input_method_win.h

Index: ui/base/ime/remote_input_method_win.h
diff --git a/ui/base/ime/remote_input_method_win.h b/ui/base/ime/remote_input_method_win.h
index 3f822cfe4947a7b66c0f7b996dbbfea2872682c3..e5397051cdf6ef477f5db47bfde5f4f75859c707 100644
--- a/ui/base/ime/remote_input_method_win.h
+++ b/ui/base/ime/remote_input_method_win.h
@@ -91,6 +91,12 @@ class UI_BASE_IME_EXPORT RemoteInputMethodPrivateWin {
   // type of the focused text input client is TEXT_INPUT_TYPE_NONE.
   virtual void OnTextCommitted(const base::string16& text) = 0;
 
+  // Handles the translated WM_CHAR from WM_KEYDOWN/WM_KEYUP.
+  // This method is called when the WM_CHAR occurs with a WM_KEYDOWN/WM_KEYUP,
+  // thus it needs to be cached and will be processed once a key event is
+  // received.
+  virtual void OnCharForNextKeyEvent(base::char16 ch) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(RemoteInputMethodPrivateWin);
 };