Reduce candidate window flickering.

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 3c9b5ccf920f5e2fa3d6874c1204e24b67ae5d1f..09fed8539d10cd5cd9741e4686ed5af3d24b5caf 100644
--- a/chrome/browser/chromeos/input_method/candidate_window_view.h
+++ b/chrome/browser/chromeos/input_method/candidate_window_view.h
@@ -207,6 +207,10 @@ class CandidateWindowView : public views::View {
 
   bool is_suggestion_window_location_available_;
 
+  // True if the candidate window is shown on upper side of composition string
+  // at lease one time from last time of showing window.
+  bool did_window_avoid_display_edge_;
+
   // True if the candidate window was open.  This is used to determine when to
   // send OnCandidateWindowOpened and OnCandidateWindowClosed events.
   bool was_candidate_window_open_;