Add TextRange and related methods to Textfield Views.

views/controls/textfield/native_textfield_win.cc

Index: views/controls/textfield/native_textfield_win.cc
diff --git a/views/controls/textfield/native_textfield_win.cc b/views/controls/textfield/native_textfield_win.cc
index 9b5595baa9c83e3f792a1065ca77be9580f2b9a7..7c074d9e2db6a65c7873cfb032bdaf392707adc8 100644
--- a/views/controls/textfield/native_textfield_win.cc
+++ b/views/controls/textfield/native_textfield_win.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -305,6 +305,19 @@ bool NativeTextfieldWin::IsIMEComposing() const {
   return composition_size > 0;
 }
 
+void NativeTextfieldWin::GetSelectedRange(TextRange* range) const {
+  NOTREACHED();
+}
+
+void NativeTextfieldWin::SelectRange(const TextRange& range) {
+  NOTREACHED();
+}
+
+size_t NativeTextfieldWin::GetCursorPosition() const {
+  NOTREACHED();
+  return 0U;
+}
+
 bool NativeTextfieldWin::HandleKeyPressed(const views::KeyEvent& e) {
   return false;
 }