Don't compile download notification code on !CrOS.

chrome/browser/download/notification/download_item_notification.cc

 // Copyright 2015 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/download/notification/download_item_notification.h"
 
 #include "base/files/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_crx_util.h"
@@ skipping 14 matching lines @@
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/theme_resources.h"
 #include "net/base/mime_util.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/time_format.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/codec/jpeg_codec.h"
+#include "ui/gfx/color_palette.h"
 #include "ui/gfx/image/image.h"
+#include "ui/gfx/paint_vector_icon.h"
+#include "ui/gfx/vector_icons_public.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_style.h"
 
-#if !defined(OS_MACOSX)
-#include "ui/gfx/color_palette.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/gfx/vector_icons_public.h"
-#endif
-
 using base::UserMetricsAction;
 
 namespace {
 
 const char kDownloadNotificationNotifierId[] =
     "chrome://downloads/notification/id-notifier";
 
 // Background color of the preview images
 const SkColor kImageBackgroundColor = SK_ColorWHITE;
 
@@ skipping 451 matching lines @@
     case content::DownloadItem::IN_PROGRESS:
     case content::DownloadItem::COMPLETE:
       if (is_off_the_record) {
 #if defined(OS_MACOSX)
         SetNotificationIcon(IDR_DOWNLOAD_NOTIFICATION_INCOGNITO);
 #else
         SetNotificationVectorIcon(gfx::VectorIconId::FILE_DOWNLOAD_INCOGNITO,
                                   gfx::kChromeIconGrey);
 #endif
       } else {
-#if defined(OS_MACOSX)
-        SetNotificationIcon(IDR_DOWNLOAD_NOTIFICATION_DOWNLOADING);
-#else
         SetNotificationVectorIcon(gfx::VectorIconId::FILE_DOWNLOAD,
                                   gfx::kGoogleBlue);
-#endif
       }
       break;
 
     case content::DownloadItem::INTERRUPTED:
 #if defined(OS_MACOSX)
       SetNotificationIcon(IDR_DOWNLOAD_NOTIFICATION_ERROR);
 #else
       SetNotificationVectorIcon(gfx::VectorIconId::ERROR_CIRCLE,
                                 gfx::kErrorRed);
 #endif
@@ skipping 22 matching lines @@
 }
 
 void DownloadItemNotification::SetNotificationIcon(int resource_id) {
   if (image_resource_id_ == resource_id)
     return;
   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
   image_resource_id_ = resource_id;
   notification_->set_icon(bundle.GetImageNamed(image_resource_id_));
 }
 
-#if !defined(OS_MACOSX)
 void DownloadItemNotification::SetNotificationVectorIcon(gfx::VectorIconId id,
                                                          SkColor color) {
   if (vector_icon_params_ == std::make_pair(id, color))
     return;
   vector_icon_params_ = std::make_pair(id, color);
   image_resource_id_ = 0;
   notification_->set_icon(gfx::Image(gfx::CreateVectorIcon(id, 40, color)));
 }
-#endif
 
 void DownloadItemNotification::OnImageLoaded(const std::string& image_data) {
   if (image_data.empty())
     return;
 
   // TODO(yoshiki): Set option to reduce the image size to supress memory usage.
   ImageDecoder::Start(this, image_data);
 }
 
 void DownloadItemNotification::OnImageDecoded(const SkBitmap& decoded_bitmap) {
@@ skipping 315 matching lines @@
                                                     profile_id);
 
   message_center::NotificationList::Notifications visible_notifications =
       g_browser_process->message_center()->GetVisibleNotifications();
   for (const auto& notification : visible_notifications) {
     if (notification->id() == notification_id_in_message_center)
       return true;
   }
   return false;
 }