chromeos: Don't fire candidate window open/close events for suggestion window.

chrome/browser/chromeos/input_method/candidate_window_view.h

Index: chrome/browser/chromeos/input_method/candidate_window_view.h
diff --git a/chrome/browser/chromeos/input_method/candidate_window_view.h b/chrome/browser/chromeos/input_method/candidate_window_view.h
index b5570eeb96478997408dbde48e3fa0a4f6bda3ac..2e8adfdb8049d14a4d25da2a8ba558aa6466b55d 100644
--- a/chrome/browser/chromeos/input_method/candidate_window_view.h
+++ b/chrome/browser/chromeos/input_method/candidate_window_view.h
@@ -140,8 +140,14 @@ class CandidateWindowView : public views::View {
   // Returns the appropriate area (header or footer) to put auxiliary texts.
   InformationTextArea* GetAuxiliaryTextArea();
 
+  // Returns true if the candidate window is open.  The suggestion window does
+  // not count as the candidate window.
   bool IsCandidateWindowOpen() const;
 
+  // Notifies observers if the candidate window's opened/closed state has
+  // changed from the previous call to this function.
+  void NotifyIfCandidateWindowOpenedOrClosed();
+
   // The lookup table (candidates).
   InputMethodLookupTable lookup_table_;
 
@@ -192,6 +198,10 @@ class CandidateWindowView : public views::View {
 
   bool is_suggestion_window_location_available_;
 
+  // True if the candidate window was open.  This is used to determine when to
+  // send OnCandidateWindowOpened and OnCandidateWindowClosed events.
+  bool was_candidate_window_open_;
+
   DISALLOW_COPY_AND_ASSIGN(CandidateWindowView);
 };