Delays find-in-page until IME composition is committed.

ui/views/controls/textfield/textfield_controller.h

Index: ui/views/controls/textfield/textfield_controller.h
diff --git a/ui/views/controls/textfield/textfield_controller.h b/ui/views/controls/textfield/textfield_controller.h
index 9a6c3302dec09f173d6399a015783cb18654b4fd..c63ac56be98d3c0533f18e0e6af1343a468e9973 100644
--- a/ui/views/controls/textfield/textfield_controller.h
+++ b/ui/views/controls/textfield/textfield_controller.h
@@ -29,13 +29,13 @@ class VIEWS_EXPORT TextfieldController {
   // user. It won't be called if the text is changed by calling
   // Textfield::SetText() or Textfield::AppendText().
   virtual void ContentsChanged(Textfield* sender,
-                               const string16& new_contents) = 0;
+                               const string16& new_contents) {}
 
   // This method is called to get notified about keystrokes in the edit.
   // Returns true if the message was handled and should not be processed
   // further. If it returns false the processing continues.
   virtual bool HandleKeyEvent(Textfield* sender,
-                              const ui::KeyEvent& key_event) = 0;
+                              const ui::KeyEvent& key_event);
 
   // This method is called to get notified about mouse events in the edit.
   // Returns true if the message was handled and should not be processed