Remove unused class ExpandingTextfield

chrome/browser/ui/views/autofill/expanding_textfield.cc

-// Copyright 2014 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 "chrome/browser/ui/views/autofill/expanding_textfield.h"
-
-#include <stddef.h>
-
-#include "base/bind.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/ui/views/autofill/decorated_textfield.h"
-#include "ui/views/layout/box_layout.h"
-
-namespace autofill {
-
-namespace {
-
-// The vertical padding between textfields.
-const int kManualInputRowPadding = 10;
-
-}  // namespace
-
-// static
-const char ExpandingTextfield::kViewClassName[] = "autofill/ExpandingTextfield";
-
-ExpandingTextfield::ExpandingTextfield(
-    const base::string16& default_value,
-    const base::string16& placeholder,
-    bool multiline,
-    views::TextfieldController* controller)
-    : controller_(controller) {
-  textfields_.push_back(
-      new DecoratedTextfield(base::string16(), placeholder, this));
-  if (multiline) {
-    textfields_.push_back(
-        new DecoratedTextfield(base::string16(), placeholder, this));
-  }
-  SetText(default_value);
-
-  for (std::list<DecoratedTextfield*>::iterator iter = textfields_.begin();
-       iter != textfields_.end(); ++iter) {
-    AddChildView(*iter);
-  }
-
-  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0,
-                                        kManualInputRowPadding));
-}
-
-ExpandingTextfield::~ExpandingTextfield() {}
-
-void ExpandingTextfield::SetText(const base::string16& text) {
-  textfields_.front()->SetText(text);
-  std::vector<base::string16> strings = base::SplitString(
-      text, base::string16(1, '\n'),
-      base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);
-
-  size_t i = 0;
-  for (std::list<DecoratedTextfield*>::iterator iter = textfields_.begin();
-       iter != textfields_.end(); ++iter) {
-    (*iter)->SetText(i < strings.size() ? strings[i++] : base::string16());
-  }
-
-  for (; i < strings.size(); ++i) {
-    textfields_.push_back(new DecoratedTextfield(
-        strings[i],
-        textfields_.front()->GetPlaceholderText(),
-        this));
-    AddChildView(textfields_.back());
-    PreferredSizeChanged();
-  }
-}
-
-base::string16 ExpandingTextfield::GetText() {
-  base::string16 text = textfields_.front()->text();
-  std::list<DecoratedTextfield*>::const_iterator iter = ++textfields_.begin();
-  while (iter != textfields_.end()) {
-    text += base::ASCIIToUTF16("\n") + (*iter++)->text();
-  }
-  base::TrimWhitespace(text, base::TRIM_ALL, &text);
-  return text;
-}
-
-void ExpandingTextfield::SetInvalid(bool invalid) {
-  textfields_.front()->SetInvalid(invalid);
-}
-
-void ExpandingTextfield::SetDefaultWidthInCharacters(int chars) {
-  ForEachTextfield(&DecoratedTextfield::set_default_width_in_chars, chars);
-}
-
-void ExpandingTextfield::SetPlaceholderText(const base::string16& placeholder) {
-  ForEachTextfield<views::Textfield, const base::string16&>(
-      &DecoratedTextfield::set_placeholder_text, placeholder);
-}
-
-void ExpandingTextfield::SetIcon(const gfx::Image& icon) {
-  textfields_.front()->SetIcon(icon);
-}
-
-void ExpandingTextfield::SetTooltipIcon(const base::string16& text) {
-  textfields_.front()->SetTooltipIcon(text);
-}
-
-void ExpandingTextfield::SetEditable(bool editable) {
-  ForEachTextfield(&DecoratedTextfield::SetEditable, editable);
-}
-
-const char* ExpandingTextfield::GetClassName() const {
-  return kViewClassName;
-}
-
-void ExpandingTextfield::ContentsChanged(views::Textfield* sender,
-                                         const base::string16& new_contents) {
-  if (textfields_.size() > 1 && sender == textfields_.back() &&
-      !new_contents.empty()) {
-    textfields_.push_back(
-        new DecoratedTextfield(base::string16(),
-                               sender->GetPlaceholderText(),
-                               this));
-    AddChildView(textfields_.back());
-    PreferredSizeChanged();
-  }
-
-  controller_->ContentsChanged(sender, new_contents);
-}
-
-bool ExpandingTextfield::HandleKeyEvent(views::Textfield* sender,
-                                        const ui::KeyEvent& key_event) {
-  return controller_->HandleKeyEvent(sender, key_event);
-}
-
-bool ExpandingTextfield::HandleMouseEvent(views::Textfield* sender,
-                                          const ui::MouseEvent& mouse_event) {
-  return controller_->HandleMouseEvent(sender, mouse_event);
-}
-
-template <typename BaseType, typename Param>
-void ExpandingTextfield::ForEachTextfield(
-    void (BaseType::* f)(Param), Param p) const {
-  for (std::list<DecoratedTextfield*>::const_iterator iter =
-           textfields_.begin();
-       iter != textfields_.end(); ++iter) {
-    base::Bind(f, base::Unretained(*iter), p).Run();
-  }
-}
-
-}  // namespace autofill