1 files changed, 0 insertions, 90 deletions
diff --git a/widget/cocoa/AppearanceOverride.mm b/widget/cocoa/AppearanceOverride.mm
deleted file mode 100644
index c3938d6b93..0000000000
--- a/widget/cocoa/AppearanceOverride.mm
+++ /dev/null
@@ -1,90 +0,0 @@
-/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#import <Cocoa/Cocoa.h>
-
-#include "AppearanceOverride.h"
-
-#include "mozilla/Preferences.h"
-#include "mozilla/StaticPrefs_browser.h"
-#include "mozilla/StaticPrefs_widget.h"
-
-#include "nsXULAppAPI.h"
-
-static void ToolbarThemePrefChanged(const char* aPref, void* aUserInfo);
-
-@interface MOZGlobalAppearance ()
-@property NSInteger toolbarTheme;
-@end
-
-@implementation MOZGlobalAppearance
-
-+ (MOZGlobalAppearance*)sharedInstance {
-  static MOZGlobalAppearance* sInstance = nil;
-  if (!sInstance) {
-    sInstance = [[MOZGlobalAppearance alloc] init];
-    if (XRE_IsParentProcess()) {
-      mozilla::Preferences::RegisterCallbackAndCall(
-          &ToolbarThemePrefChanged,
-          nsDependentCString(
-              mozilla::StaticPrefs::GetPrefName_browser_theme_toolbar_theme()));
-    }
-  }
-  return sInstance;
-}
-
-+ (NSSet*)keyPathsForValuesAffectingAppearance {
-  return [NSSet setWithObjects:@"toolbarTheme", nil];
-}
-
-- (NSAppearance*)appearance {
-  switch (self.toolbarTheme) {  // Value for browser.theme.toolbar-theme pref
-    case 0:                     // Dark
-      return [NSAppearance appearanceNamed:NSAppearanceNameDarkAqua];
-    case 1:  // Light
-      return [NSAppearance appearanceNamed:NSAppearanceNameAqua];
-    case 2:  // System
-    default:
-      return nil;  // nil means "no override".
-  }
-}
-
-- (void)setAppearance:(NSAppearance*)aAppearance {
-  // ignored
-}
-
-- (NSApplication*)_app {
-  return NSApp;
-}
-
-+ (NSSet*)keyPathsForValuesAffectingEffectiveAppearance {
-  // Automatically notify any key-value observers of our effectiveAppearance
-  // property whenever the pref or the NSApp's effectiveAppearance change.
-  return
-      [NSSet setWithObjects:@"toolbarTheme", @"_app.effectiveAppearance", nil];
-}
-
-- (NSAppearance*)effectiveAppearance {
-  switch (self.toolbarTheme) {  // Value for browser.theme.toolbar-theme pref
-    case 0:                     // Dark
-      return [NSAppearance appearanceNamed:NSAppearanceNameDarkAqua];
-    case 1:  // Light
-      return [NSAppearance appearanceNamed:NSAppearanceNameAqua];
-    case 2:  // System
-    default:
-      // Use the NSApp effectiveAppearance. This is the system appearance.
-      return NSApp.effectiveAppearance;
-  }
-}
-
-@end
-
-static void ToolbarThemePrefChanged(const char* aPref, void* aUserInfo) {
-  MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
-  MOZ_RELEASE_ASSERT(NS_IsMainThread());
-
-  MOZGlobalAppearance.sharedInstance.toolbarTheme =
-      mozilla::StaticPrefs::browser_theme_toolbar_theme();
-}