Implement clipboard features in views textfield.

views/controls/textfield/native_textfield_views.cc

Index: views/controls/textfield/native_textfield_views.cc
diff --git a/views/controls/textfield/native_textfield_views.cc b/views/controls/textfield/native_textfield_views.cc
index b7c01f81c9abe4f86348799546cde8ee7ec7941e..648999481ad27b834cecf1f36dd83bd95d671a65 100644
--- a/views/controls/textfield/native_textfield_views.cc
+++ b/views/controls/textfield/native_textfield_views.cc
@@ -466,6 +466,10 @@ bool NativeTextfieldViews::HandleKeyEvent(const KeyEvent& key_event) {
         model_->Replace(print_char);
       text_changed = true;
     }
+    if (control && (key_code == app::VKEY_X || key_code == app::VKEY_C ||
+        key_code == app::VKEY_V)) {
+      text_changed = model_->HandleClipboardEvents(key_code);

[oshima, 2011/01/04 22:36:49]

I think it's more consistent to have Cut&Copy&Paste method on model, and have
NativeTextfieldViews to deal with key->function mapping. This way, model will be
independent of key code mapping. You can move this to switch and do things like
ctrl-a.

[varunjain, 2011/01/05 16:19:31]

Done.

+    }
     if (text_changed) {
       textfield_->SyncText();
       Textfield::Controller* controller = textfield_->GetController();