Don't compile download notification code on !CrOS.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 402 matching lines @@
     {IDS_FLAGS_TOP_CHROME_MD_NON_MATERIAL, "", ""},
     {IDS_FLAGS_TOP_CHROME_MD_MATERIAL,
      switches::kTopChromeMD,
      switches::kTopChromeMDMaterial},
     {IDS_FLAGS_TOP_CHROME_MD_MATERIAL_HYBRID,
      switches::kTopChromeMD,
      switches::kTopChromeMDMaterialHybrid}};
 #endif
 
 #if defined(OS_CHROMEOS)
-
 const Experiment::Choice kAshMaterialDesignInkDropAnimationSpeed[] = {
     {IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", ""},
     {IDS_FLAGS_MATERIAL_DESIGN_INK_DROP_ANIMATION_FAST,
      switches::kMaterialDesignInkDropAnimationSpeed,
      switches::kMaterialDesignInkDropAnimationSpeedFast},
     {IDS_FLAGS_MATERIAL_DESIGN_INK_DROP_ANIMATION_SLOW,
      switches::kMaterialDesignInkDropAnimationSpeed,
      switches::kMaterialDesignInkDropAnimationSpeedSlow}};
 
 const Experiment::Choice kDataSaverPromptChoices[] = {
@@ skipping 39 matching lines @@
 
 const Experiment::Choice kGestureEditingChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     keyboard::switches::kGestureEditing,
     keyboard::switches::kGestureEditingDisabled},
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
     keyboard::switches::kGestureEditing,
     keyboard::switches::kGestureEditingEnabled},
 };
-#endif
 
 const Experiment::Choice kDownloadNotificationChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
     switches::kEnableDownloadNotification,
     "enabled" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kEnableDownloadNotification,
     "disabled" }
 };
+#endif
 
 const Experiment::Choice kSupervisedUserSafeSitesChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
     switches::kSupervisedUserSafeSites,
     "enabled" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kSupervisedUserSafeSites,
     "disabled" },
   { IDS_SUPERVISED_USER_SAFESITES_BLACKLIST_ONLY,
@@ skipping 363 matching lines @@
      kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE(
          chromeos::switches::kEnableNetworkPortalNotification,
          chromeos::switches::kDisableNetworkPortalNotification)},
 #endif
     {"enable-download-resumption",
      IDS_FLAGS_ENABLE_DOWNLOAD_RESUMPTION_NAME,
      IDS_FLAGS_ENABLE_DOWNLOAD_RESUMPTION_DESCRIPTION,
      kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kEnableDownloadResumption)},
+#if defined(OS_CHROMEOS)
     {"enable-download-notification",
      IDS_FLAGS_ENABLE_DOWNLOAD_NOTIFICATION_NAME,
      IDS_FLAGS_ENABLE_DOWNLOAD_NOTIFICATION_DESCRIPTION,
-     kOsDesktop,
+     kOsCrOS,
      MULTI_VALUE_TYPE(kDownloadNotificationChoices)},
+#endif
 #if defined(ENABLE_PLUGINS)
     {"allow-nacl-socket-api",
      IDS_FLAGS_ALLOW_NACL_SOCKET_API_NAME,
      IDS_FLAGS_ALLOW_NACL_SOCKET_API_DESCRIPTION,
      kOsDesktop,
      SINGLE_VALUE_TYPE_AND_VALUE(switches::kAllowNaClSocketAPI, "*")},
 #endif
 #if defined(OS_CHROMEOS)
     {"allow-touchpad-three-finger-click",
      IDS_FLAGS_ALLOW_TOUCHPAD_THREE_FINGER_CLICK_NAME,
@@ skipping 1815 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags