Replace Textfield::Keystroke with views::KeyEvent

views/controls/textfield/textfield.h

Index: views/controls/textfield/textfield.h
diff --git a/views/controls/textfield/textfield.h b/views/controls/textfield/textfield.h
index 9dd1ee9febfdaf3aadd6f65e16d496157f1bfc1a..2fdfe733ef773396d51f6edfa0721851f6ec88c0 100644
--- a/views/controls/textfield/textfield.h
+++ b/views/controls/textfield/textfield.h
@@ -31,6 +31,8 @@
 
 namespace views {
 
+class KeyEvent;
+
 class NativeTextfieldWrapper;
 
 // This class implements a ChromeView that wraps a native text (edit) field.
@@ -94,8 +96,8 @@ class Textfield : public View {
     // This method is called to get notified about keystrokes in the edit.
     // This method returns true if the message was handled and should not be
     // processed further. If it returns false the processing continues.
-    virtual bool HandleKeystroke(Textfield* sender,
-                                 const Textfield::Keystroke& keystroke) = 0;
+    virtual bool HandleKeyEvent(Textfield* sender,
+                                const KeyEvent& key_event) = 0;
   };
 
   enum StyleFlags {