Hardcode extensions::util::IsNewBookmarkAppsEnabled() to true, except on Mac.

chrome/common/chrome_features.cc

 // Copyright 2016 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/common/chrome_features.h"
 
 #include "extensions/features/features.h"
 #include "ppapi/features/features.h"
 
 namespace features {
@@ skipping 47 matching lines @@
 // Shift+Backspace to navigate forward.
 const base::Feature kBackspaceGoesBackFeature {
   "BackspaceGoesBack", base::FEATURE_DISABLED_BY_DEFAULT
 };
 
 // Enables or disables whether permission prompts are automatically blocked
 // after the user has explicitly dismissed them too many times.
 const base::Feature kBlockPromptsIfDismissedOften{
     "BlockPromptsIfDismissedOften", base::FEATURE_DISABLED_BY_DEFAULT};
 
+#if defined(OS_MACOSX)
+// Enables the new bookmark app system (e.g. Add To Applications on Mac).
+const base::Feature kBookmarkApps{"BookmarkAppsMac",
+                                  base::FEATURE_DISABLED_BY_DEFAULT};
+#endif
+
 // Fixes for browser hang bugs are deployed in a field trial in order to measure
 // their impact. See crbug.com/478209.
 const base::Feature kBrowserHangFixesExperiment{
     "BrowserHangFixesExperiment", base::FEATURE_DISABLED_BY_DEFAULT};
 
 #if defined(OS_MACOSX)
 // Enables or disables the browser's touch bar.
 const base::Feature kBrowserTouchBar{"BrowserTouchBar",
                                      base::FEATURE_ENABLED_BY_DEFAULT};
 #endif  // defined(OS_MACOSX)
@@ skipping 212 matching lines @@
 // Enables or disables emoji, handwriting and voice input on opt-in IME menu.
 const base::Feature kEHVInputOnImeMenu{"EmojiHandwritingVoiceInput",
                                        base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Enables or disables flash component updates on Chrome OS.
 const base::Feature kCrosCompUpdates{"CrosCompUpdates",
                                      base::FEATURE_ENABLED_BY_DEFAULT};
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace features