diff --git a/chromium_src/components/content_settings/core/browser/content_settings_registry.cc b/chromium_src/components/content_settings/core/browser/content_settings_registry.cc
index 3f996b054d86..ab91906cf04b 100644
--- a/chromium_src/components/content_settings/core/browser/content_settings_registry.cc
+++ b/chromium_src/components/content_settings/core/browser/content_settings_registry.cc
@@ -1,38 +1,71 @@
-#include "../../../../../../components/content_settings/core/browser/content_settings_registry.cc"
-
-namespace content_settings {
-
-void ContentSettingsRegistry::BraveInit() {
-  // Add CONTENT_SETTING_ASK and make it default for autoplay
-  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_AUTOPLAY);
-  website_settings_registry_->UnRegister(CONTENT_SETTINGS_TYPE_AUTOPLAY);
-  Register(CONTENT_SETTINGS_TYPE_AUTOPLAY, "autoplay", CONTENT_SETTING_BLOCK,
-           WebsiteSettingsInfo::UNSYNCABLE, WhitelistedSchemes(),
-           ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK,
-                         CONTENT_SETTING_ASK),
-           WebsiteSettingsInfo::SINGLE_ORIGIN_ONLY_SCOPE,
-           WebsiteSettingsRegistry::DESKTOP |
-               WebsiteSettingsRegistry::PLATFORM_ANDROID,
-           ContentSettingsInfo::INHERIT_IN_INCOGNITO,
-           ContentSettingsInfo::PERSISTENT,
-           ContentSettingsInfo::EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS);
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * 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 https://mozilla.org/MPL/2.0/. */
 
-  // Change plugins default to CONTENT_SETTING_BLOCK
-  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_PLUGINS);
-  website_settings_registry_->UnRegister(CONTENT_SETTINGS_TYPE_PLUGINS);
-  Register(
-      CONTENT_SETTINGS_TYPE_PLUGINS, "plugins",
-      CONTENT_SETTING_BLOCK, WebsiteSettingsInfo::SYNCABLE,
-      WhitelistedSchemes(kChromeUIScheme, kChromeDevToolsScheme),
-      ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK,
-                    CONTENT_SETTING_ASK,
-                    CONTENT_SETTING_DETECT_IMPORTANT_CONTENT),
-      WebsiteSettingsInfo::SINGLE_ORIGIN_WITH_EMBEDDED_EXCEPTIONS_SCOPE,
-      WebsiteSettingsRegistry::DESKTOP |
-          WebsiteSettingsRegistry::PLATFORM_ANDROID,
-      ContentSettingsInfo::INHERIT_IN_INCOGNITO,
-      ContentSettingsInfo::EPHEMERAL,
-      ContentSettingsInfo::EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS);
+#define BRAVE_INIT { \
+  /* Add CONTENT_SETTING_ASK and make it default for autoplay*/ \
+  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_AUTOPLAY); \
+  website_settings_registry_->UnRegister(CONTENT_SETTINGS_TYPE_AUTOPLAY); \
+  Register(CONTENT_SETTINGS_TYPE_AUTOPLAY, "autoplay", CONTENT_SETTING_BLOCK, \
+           WebsiteSettingsInfo::UNSYNCABLE, WhitelistedSchemes(), \
+           ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK, \
+                         CONTENT_SETTING_ASK), \
+           WebsiteSettingsInfo::SINGLE_ORIGIN_ONLY_SCOPE, \
+           WebsiteSettingsRegistry::DESKTOP | \
+               WebsiteSettingsRegistry::PLATFORM_ANDROID, \
+           ContentSettingsInfo::INHERIT_IN_INCOGNITO, \
+           ContentSettingsInfo::PERSISTENT, \
+           ContentSettingsInfo::EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS); \
+  \
+  /* Change plugins default to CONTENT_SETTING_BLOCK*/ \
+  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_PLUGINS); \
+  website_settings_registry_->UnRegister(CONTENT_SETTINGS_TYPE_PLUGINS); \
+  Register( \
+      CONTENT_SETTINGS_TYPE_PLUGINS, "plugins", \
+      CONTENT_SETTING_BLOCK, WebsiteSettingsInfo::SYNCABLE, \
+      WhitelistedSchemes(kChromeUIScheme, kChromeDevToolsScheme), \
+      ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK, \
+                    CONTENT_SETTING_ASK, \
+                    CONTENT_SETTING_DETECT_IMPORTANT_CONTENT), \
+      WebsiteSettingsInfo::SINGLE_ORIGIN_WITH_EMBEDDED_EXCEPTIONS_SCOPE, \
+      WebsiteSettingsRegistry::DESKTOP | \
+          WebsiteSettingsRegistry::PLATFORM_ANDROID, \
+      ContentSettingsInfo::INHERIT_IN_INCOGNITO, \
+      ContentSettingsInfo::EPHEMERAL, \
+      ContentSettingsInfo::EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS); \
+  \
+  /* Disable background sync by default (brave/brave-browser#4709)*/ \
+  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC); \
+  website_settings_registry_->UnRegister( \
+      CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC); \
+  Register( \
+      CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC, "background-sync", \
+      CONTENT_SETTING_BLOCK, WebsiteSettingsInfo::UNSYNCABLE, \
+      WhitelistedSchemes(), \
+      ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK), \
+      WebsiteSettingsInfo::SINGLE_ORIGIN_ONLY_SCOPE, \
+      WebsiteSettingsRegistry::DESKTOP | \
+          WebsiteSettingsRegistry::PLATFORM_ANDROID, \
+      ContentSettingsInfo::INHERIT_IN_INCOGNITO, \
+      ContentSettingsInfo::PERSISTENT, \
+      ContentSettingsInfo::EXCEPTIONS_ON_SECURE_ORIGINS_ONLY); \
+  \
+  /* Disable motion sensors by default (brave/brave-browser#4789)*/ \
+  content_settings_info_.erase(CONTENT_SETTINGS_TYPE_SENSORS); \
+  website_settings_registry_->UnRegister(CONTENT_SETTINGS_TYPE_SENSORS); \
+  Register( \
+      CONTENT_SETTINGS_TYPE_SENSORS, "sensors", CONTENT_SETTING_BLOCK, \
+      WebsiteSettingsInfo::UNSYNCABLE, WhitelistedSchemes(), \
+      ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK), \
+      WebsiteSettingsInfo::SINGLE_ORIGIN_ONLY_SCOPE, \
+      WebsiteSettingsRegistry::DESKTOP | \
+          WebsiteSettingsRegistry::PLATFORM_ANDROID, \
+      ContentSettingsInfo::INHERIT_IN_INCOGNITO, \
+      ContentSettingsInfo::PERSISTENT, \
+      ContentSettingsInfo::EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS); \
 }
 
-} // namespace content_settings
+#include "../../../../../../components/content_settings/core/browser/content_settings_registry.cc"
+
+#undef BRAVE_INIT
diff --git a/patches/components-content_settings-core-browser-content_settings_registry.cc.patch b/patches/components-content_settings-core-browser-content_settings_registry.cc.patch
index 1773f443ab16..9d3bbe625da9 100644
--- a/patches/components-content_settings-core-browser-content_settings_registry.cc.patch
+++ b/patches/components-content_settings-core-browser-content_settings_registry.cc.patch
@@ -1,12 +1,12 @@
 diff --git a/components/content_settings/core/browser/content_settings_registry.cc b/components/content_settings/core/browser/content_settings_registry.cc
-index dc67564cd90fb1964de545b933ac5104dbfbc785..d9ca4251e5e9606566dcd88ba5f76f1dca0759cd 100644
+index dc67564cd90fb1964de545b933ac5104dbfbc785..95ce90bc2960359d65433038b225c6f3cf53d996 100644
 --- a/components/content_settings/core/browser/content_settings_registry.cc
 +++ b/components/content_settings/core/browser/content_settings_registry.cc
 @@ -491,6 +491,7 @@ void ContentSettingsRegistry::Init() {
             ContentSettingsInfo::INHERIT_IF_LESS_PERMISSIVE,
             ContentSettingsInfo::PERSISTENT,
             ContentSettingsInfo::EXCEPTIONS_ON_SECURE_ORIGINS_ONLY);
-+  BraveInit();
++  BRAVE_INIT
  }
  
  void ContentSettingsRegistry::Register(
diff --git a/patches/components-content_settings-core-browser-content_settings_registry.h.patch b/patches/components-content_settings-core-browser-content_settings_registry.h.patch
deleted file mode 100644
index 33d2d60b1568..000000000000
--- a/patches/components-content_settings-core-browser-content_settings_registry.h.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/components/content_settings/core/browser/content_settings_registry.h b/components/content_settings/core/browser/content_settings_registry.h
-index 20c43a7ee297e2ddea849d903f5e12608e303095..4cc4e4b2bfff6231d80027c32a9d9598eb03a434 100644
---- a/components/content_settings/core/browser/content_settings_registry.h
-+++ b/components/content_settings/core/browser/content_settings_registry.h
-@@ -53,6 +53,7 @@ class ContentSettingsRegistry {
-   ~ContentSettingsRegistry();
- 
-   void Init();
-+  void BraveInit();
- 
-   typedef uint32_t Platforms;
-