New method: InputMethod::IsCandidatePopupOpen()

ui/views/ime/input_method_win.h

Index: ui/views/ime/input_method_win.h
diff --git a/ui/views/ime/input_method_win.h b/ui/views/ime/input_method_win.h
old mode 100644
new mode 100755
index d2347c27cf9330eaa94875e92f6b017ccf5c2211..61297151d39204ec7f1412675f154f6f710e9d95
--- a/ui/views/ime/input_method_win.h
+++ b/ui/views/ime/input_method_win.h
@@ -44,6 +44,7 @@ class InputMethodWin : public InputMethodBase {
   virtual std::string GetInputLocale() OVERRIDE;
   virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE;
   virtual bool IsActive() OVERRIDE;
+  virtual bool IsPopupOpen() const OVERRIDE;
 
   // Overridden from InputMethodBase.
   virtual ui::TextInputClient* GetTextInputClient() const OVERRIDE;
@@ -59,6 +60,8 @@ class InputMethodWin : public InputMethodBase {
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   LRESULT OnImeRequest(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
+  LRESULT OnImeNotify(
+      UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
   // For both WM_CHAR and WM_SYSCHAR
   LRESULT OnChar(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL* handled);
@@ -86,6 +89,10 @@ class InputMethodWin : public InputMethodBase {
   // Indicates if the current input locale has an IME.
   bool active_;
 
+  // True if a candidate window (or IME suggest, etc.) is open.
+  // False if not or unsure.
+  bool is_popup_open_;
+
   // Name of the current input locale.
   std::string locale_;