Remove dead code since PDFWebContentsHelper::ShowOpenInReaderPrompt isn't called anymore.

chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc

Index: chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
diff --git a/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc b/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
deleted file mode 100644
index 58f9375c661040fa736dd6c80293d7c8c68c1118..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
+++ /dev/null
@@ -1,95 +0,0 @@
-// 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 "chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.h"
-
-#include "chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h"
-#include "chrome/grit/generated_resources.h"
-#include "components/pdf/browser/open_pdf_in_reader_prompt_client.h"
-#include "components/pdf/browser/pdf_web_contents_helper.h"
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/color_utils.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/gfx/vector_icons_public.h"
-#include "ui/native_theme/native_theme.h"
-#include "ui/views/widget/widget.h"
-
-OpenPDFInReaderView::OpenPDFInReaderView() : bubble_(nullptr), model_(nullptr) {
-  SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
-  SetTooltipText(l10n_util::GetStringUTF16(IDS_PDF_BUBBLE_OPEN_IN_READER_LINK));
-}
-
-OpenPDFInReaderView::~OpenPDFInReaderView() {
-  if (bubble_)
-    bubble_->GetWidget()->RemoveObserver(this);
-}
-
-void OpenPDFInReaderView::Update(content::WebContents* web_contents) {
-  model_ = nullptr;
-  if (web_contents) {
-    pdf::PDFWebContentsHelper* pdf_tab_helper =
-        pdf::PDFWebContentsHelper::FromWebContents(web_contents);
-    model_ = pdf_tab_helper->open_in_reader_prompt();
-  }
-
-  SetVisible(!!model_);
-
-  // Hide the bubble if it is currently shown and the icon is hidden.
-  if (!model_ && bubble_)
-    bubble_->GetWidget()->Hide();
-}
-
-void OpenPDFInReaderView::ShowBubble() {
-  if (bubble_)
-    return;
-
-  DCHECK(model_);
-  bubble_ = new OpenPDFInReaderBubbleView(this, model_);
-  views::BubbleDialogDelegateView::CreateBubble(bubble_);
-  bubble_->GetWidget()->AddObserver(this);
-  bubble_->GetWidget()->Show();
-}
-
-void OpenPDFInReaderView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
-  ImageView::GetAccessibleNodeData(node_data);
-  node_data->SetName(l10n_util::GetStringUTF8(IDS_ACCNAME_OPEN_PDF_IN_READER));
-  node_data->role = ui::AX_ROLE_BUTTON;
-}
-
-bool OpenPDFInReaderView::OnMousePressed(const ui::MouseEvent& event) {
-  // Show the bubble on mouse release; that is standard button behavior.
-  return true;
-}
-
-void OpenPDFInReaderView::OnMouseReleased(const ui::MouseEvent& event) {
-  if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
-    ShowBubble();
-}
-
-bool OpenPDFInReaderView::OnKeyPressed(const ui::KeyEvent& event) {
-  if (event.key_code() != ui::VKEY_SPACE &&
-      event.key_code() != ui::VKEY_RETURN) {
-    return false;
-  }
-
-  ShowBubble();
-  return true;
-}
-
-void OpenPDFInReaderView::OnNativeThemeChanged(
-    const ui::NativeTheme* native_theme) {
-  SetImage(gfx::CreateVectorIcon(
-      gfx::VectorIconId::PDF,
-      color_utils::DeriveDefaultIconColor(native_theme->GetSystemColor(
-          ui::NativeTheme::kColorId_TextfieldDefaultColor))));
-}
-
-void OpenPDFInReaderView::OnWidgetDestroying(views::Widget* widget) {
-  if (!bubble_)
-    return;
-
-  bubble_->GetWidget()->RemoveObserver(this);
-  bubble_ = nullptr;
-}