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..44d42ad45a0f57cac33443f52e206173d797f218 100644
--- a/views/controls/textfield/native_textfield_views.cc
+++ b/views/controls/textfield/native_textfield_views.cc
@@ -426,6 +426,21 @@ bool NativeTextfieldViews::HandleKeyEvent(const KeyEvent& key_event) {
           cursor_changed = true;
         }
         break;
+      case app::VKEY_X:
+        if (control) {
+          text_changed = model_->Cut();
+        }

[oshima, 2011/01/05 18:50:30]

no need for {} for single line.

[varunjain, 2011/01/05 19:03:35]

Done.

+        break;
+      case app::VKEY_C:
+        if (control) {
+          model_->Copy();
+        }
+        break;
+      case app::VKEY_V:
+        if (control) {
+          text_changed = model_->Paste();
+        }
+        break;
       case app::VKEY_RIGHT:
         control ? model_->MoveCursorToNextWord(selection)
             : model_->MoveCursorRight(selection);