Add ExtendSelectionAndDelete() method to ui::TextInputClient.

ui/views/controls/textfield/native_textfield_views.cc

 // Copyright (c) 2012 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.
 
 #include "ui/views/controls/textfield/native_textfield_views.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 835 matching lines @@
 void NativeTextfieldViews::OnInputMethodChanged() {
   NOTIMPLEMENTED();
 }
 
 bool NativeTextfieldViews::ChangeTextDirectionAndLayoutAlignment(
     base::i18n::TextDirection direction) {
   NOTIMPLEMENTED();
   return false;
 }
 
+void NativeTextfieldViews::ExtendSelectionAndDelete(int before, int after) {
+  // TODO(horo): implement this method if it is required.
+  // http://crbug.com/149155
+  NOTIMPLEMENTED();
+}
+
 void NativeTextfieldViews::OnCompositionTextConfirmedOrCleared() {
   if (skip_input_method_cancel_composition_)
     return;
   DCHECK(textfield_->GetInputMethod());
   textfield_->GetInputMethod()->CancelComposition(textfield_);
 }
 
 gfx::RenderText* NativeTextfieldViews::GetRenderText() const {
   return model_->render_text();
 }
@@ skipping 352 matching lines @@
   // Filter out all control characters, including tab and new line characters,
   // and all characters with Alt modifier. But we need to allow characters with
   // AltGr modifier.
   // On Windows AltGr is represented by Alt+Ctrl, and on Linux it's a different
   // flag that we don't care about.
   return ((ch >= 0x20 && ch < 0x7F) || ch > 0x9F) &&
       (flags & ~(ui::EF_SHIFT_DOWN | ui::EF_CAPS_LOCK_DOWN)) != ui::EF_ALT_DOWN;
 }
 
 }  // namespace views