Remove the unused parts of PPB_PDF

chrome/browser/ui/views/pdf_password_dialog.cc

-// Copyright 2013 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/grit/generated_resources.h"
-#include "components/constrained_window/constrained_window_views.h"
-#include "components/pdf/browser/pdf_web_contents_helper_client.h"
-#include "content/public/browser/web_contents.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/views/controls/message_box_view.h"
-#include "ui/views/controls/textfield/textfield.h"
-#include "ui/views/layout/layout_constants.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/window/dialog_delegate.h"
-
-namespace {
-
-// Runs a tab-modal dialog that asks the user for a password.
-class PDFPasswordDialogViews : public views::DialogDelegate {
- public:
-  PDFPasswordDialogViews(content::WebContents* web_contents,
-                         const base::string16& prompt,
-                         const pdf::PasswordDialogClosedCallback& callback);
-  ~PDFPasswordDialogViews() override;
-
-  // views::DialogDelegate:
-  base::string16 GetWindowTitle() const override;
-  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
-  bool Cancel() override;
-  bool Accept() override;
-
-  // views::WidgetDelegate:
-  views::View* GetInitiallyFocusedView() override;
-  views::View* GetContentsView() override;
-  views::Widget* GetWidget() override;
-  const views::Widget* GetWidget() const override;
-  void DeleteDelegate() override;
-  ui::ModalType GetModalType() const override;
-
- private:
-  // The message box view whose commands we handle.
-  views::MessageBoxView* message_box_view_;
-
-  pdf::PasswordDialogClosedCallback callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(PDFPasswordDialogViews);
-};
-
-PDFPasswordDialogViews::PDFPasswordDialogViews(
-    content::WebContents* web_contents,
-    const base::string16& prompt,
-    const pdf::PasswordDialogClosedCallback& callback)
-    : message_box_view_(NULL), callback_(callback) {
-  views::MessageBoxView::InitParams init_params(prompt);
-  init_params.options = views::MessageBoxView::HAS_PROMPT_FIELD;
-  init_params.inter_row_vertical_spacing =
-      views::kUnrelatedControlVerticalSpacing;
-  message_box_view_ = new views::MessageBoxView(init_params);
-  message_box_view_->text_box()->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
-  constrained_window::ShowWebModalDialogViews(this, web_contents);
-}
-
-PDFPasswordDialogViews::~PDFPasswordDialogViews() {
-  if (!callback_.is_null()) {
-    // This dialog was torn down without either OK or cancel being clicked; be
-    // considerate and at least do the callback.
-    callback_.Run(false, base::string16());
-  }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-// PDFPasswordDialogViews, views::DialogDelegate implementation:
-
-base::string16 PDFPasswordDialogViews::GetWindowTitle() const {
-  return l10n_util::GetStringUTF16(IDS_PDF_PASSWORD_DIALOG_TITLE);
-}
-
-base::string16 PDFPasswordDialogViews::GetDialogButtonLabel(
-    ui::DialogButton button) const {
-  if (button == ui::DIALOG_BUTTON_OK)
-    return l10n_util::GetStringUTF16(IDS_OK);
-  if (button == ui::DIALOG_BUTTON_CANCEL)
-    return l10n_util::GetStringUTF16(IDS_CANCEL);
-  return base::string16();
-}
-
-bool PDFPasswordDialogViews::Cancel() {
-  callback_.Run(false, base::string16());
-  callback_.Reset();
-  return true;
-}
-
-bool PDFPasswordDialogViews::Accept() {
-  callback_.Run(true, message_box_view_->text_box()->text());
-  callback_.Reset();
-  return true;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// PDFPasswordDialogViews, views::WidgetDelegate implementation:
-
-views::View* PDFPasswordDialogViews::GetInitiallyFocusedView() {
-  return message_box_view_->text_box();
-}
-
-views::View* PDFPasswordDialogViews::GetContentsView() {
-  return message_box_view_;
-}
-
-views::Widget* PDFPasswordDialogViews::GetWidget() {
-  return message_box_view_->GetWidget();
-}
-
-const views::Widget* PDFPasswordDialogViews::GetWidget() const {
-  return message_box_view_->GetWidget();
-}
-
-void PDFPasswordDialogViews::DeleteDelegate() {
-  delete this;
-}
-
-ui::ModalType PDFPasswordDialogViews::GetModalType() const {
-  return ui::MODAL_TYPE_CHILD;
-}
-
-}  // namespace
-
-void ShowPDFPasswordDialog(content::WebContents* web_contents,
-                           const base::string16& prompt,
-                           const pdf::PasswordDialogClosedCallback& callback) {
-  new PDFPasswordDialogViews(web_contents, prompt, callback);
-}