Remove non-md code in location bar (Views).

chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.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 "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 "chrome/grit/theme_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_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/base/material_design/material_design_controller.h"
-#include "ui/base/resource/resource_bundle.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_(NULL), model_(NULL) {
+OpenPDFInReaderView::OpenPDFInReaderView() : bubble_(nullptr), model_(nullptr) {
   SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-        IDR_OMNIBOX_PDF_ICON));
-  }
   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_ = NULL;
+  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_)
@@ skipping 32 matching lines @@
       event.key_code() != ui::VKEY_RETURN) {
     return false;
   }
 
   ShowBubble();
   return true;
 }
 
 void OpenPDFInReaderView::OnNativeThemeChanged(
     const ui::NativeTheme* native_theme) {
-  if (ui::MaterialDesignController::IsModeMaterial()) {
-    SetImage(gfx::CreateVectorIcon(
-        gfx::VectorIconId::PDF,
-        color_utils::DeriveDefaultIconColor(native_theme->GetSystemColor(
-            ui::NativeTheme::kColorId_TextfieldDefaultColor))));
-  }
+  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_ = NULL;
+  bubble_ = nullptr;
 }