From: csagan5 <32685696+csagan5@users.noreply.github.com>
Date: Sun, 27 Jun 2021 17:35:39 +0200
Subject: Add flag to disable vibration

License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
---
 content/child/runtime_features.cc                         | 1 +
 .../about_flags_cc/Add-flag-to-disable-vibration.inc      | 8 ++++++++
 .../content_features_cc/Add-flag-to-disable-vibration.inc | 4 ++++
 .../content_features_h/Add-flag-to-disable-vibration.inc  | 1 +
 third_party/blink/public/platform/web_runtime_features.h  | 1 +
 .../renderer/modules/vibration/vibration_controller.cc    | 3 +++
 .../renderer/platform/exported/web_runtime_features.cc    | 4 ++++
 .../renderer/platform/runtime_enabled_features.json5      | 4 ++++
 8 files changed, 26 insertions(+)
 create mode 100644 cromite_flags/chrome/browser/about_flags_cc/Add-flag-to-disable-vibration.inc
 create mode 100644 cromite_flags/content/public/common/content_features_cc/Add-flag-to-disable-vibration.inc
 create mode 100644 cromite_flags/content/public/common/content_features_h/Add-flag-to-disable-vibration.inc

diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -82,6 +82,7 @@ void SetRuntimeFeatureDefaultsForPlatform(
   if (command_line.HasSwitch(switches::kDisableMediaSessionAPI)) {
     WebRuntimeFeatures::EnableMediaSession(false);
   }
+  WebRuntimeFeatures::EnableVibration(base::FeatureList::IsEnabled(features::kVibration));
 #endif
 
 #if BUILDFLAG(IS_ANDROID)
diff --git a/cromite_flags/chrome/browser/about_flags_cc/Add-flag-to-disable-vibration.inc b/cromite_flags/chrome/browser/about_flags_cc/Add-flag-to-disable-vibration.inc
new file mode 100644
--- /dev/null
+++ b/cromite_flags/chrome/browser/about_flags_cc/Add-flag-to-disable-vibration.inc
@@ -0,0 +1,8 @@
+#ifdef FLAG_SECTION
+
+    {"enable-vibration",
+     "Vibration",
+     "Enable vibration API; an user gesture will still be needed.", kOsAll,
+     FEATURE_VALUE_TYPE(features::kVibration)},
+
+#endif
diff --git a/cromite_flags/content/public/common/content_features_cc/Add-flag-to-disable-vibration.inc b/cromite_flags/content/public/common/content_features_cc/Add-flag-to-disable-vibration.inc
new file mode 100644
--- /dev/null
+++ b/cromite_flags/content/public/common/content_features_cc/Add-flag-to-disable-vibration.inc
@@ -0,0 +1,4 @@
+// Enables vibration; an user gesture will still be required if enabled.
+CROMITE_FEATURE(kVibration,
+               "VibrationEnabled",
+               base::FEATURE_DISABLED_BY_DEFAULT);
diff --git a/cromite_flags/content/public/common/content_features_h/Add-flag-to-disable-vibration.inc b/cromite_flags/content/public/common/content_features_h/Add-flag-to-disable-vibration.inc
new file mode 100644
--- /dev/null
+++ b/cromite_flags/content/public/common/content_features_h/Add-flag-to-disable-vibration.inc
@@ -0,0 +1 @@
+CONTENT_EXPORT BASE_DECLARE_FEATURE(kVibration);
diff --git a/third_party/blink/public/platform/web_runtime_features.h b/third_party/blink/public/platform/web_runtime_features.h
--- a/third_party/blink/public/platform/web_runtime_features.h
+++ b/third_party/blink/public/platform/web_runtime_features.h
@@ -70,6 +70,7 @@ class BLINK_PLATFORM_EXPORT WebRuntimeFeatures : public WebRuntimeFeaturesBase {
   static void EnableFingerprintingCanvasImageDataNoise(bool);
   static void EnableFluentScrollbars(bool);
   static void EnableDesktopAndroidScrollbars(bool);
+  static void EnableVibration(bool);
 
   static void EnableLocalNetworkAccessWebRTC(bool);
 
diff --git a/third_party/blink/renderer/modules/vibration/vibration_controller.cc b/third_party/blink/renderer/modules/vibration/vibration_controller.cc
--- a/third_party/blink/renderer/modules/vibration/vibration_controller.cc
+++ b/third_party/blink/renderer/modules/vibration/vibration_controller.cc
@@ -28,6 +28,7 @@
 #include "third_party/blink/renderer/core/frame/local_frame.h"
 #include "third_party/blink/renderer/core/frame/navigator.h"
 #include "third_party/blink/renderer/core/page/page.h"
+#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
 
 // Maximum number of entries in a vibration pattern.
 const unsigned kVibrationPatternLengthMax = 99;
@@ -108,6 +109,8 @@ bool VibrationController::vibrate(Navigator& navigator,
   // reference to |window| or |navigator| was retained in another window.
   if (!navigator.DomWindow())
     return false;
+  if (!RuntimeEnabledFeatures::VibrationEnabled())
+    return false;
   return From(navigator).Vibrate(pattern);
 }
 
diff --git a/third_party/blink/renderer/platform/exported/web_runtime_features.cc b/third_party/blink/renderer/platform/exported/web_runtime_features.cc
--- a/third_party/blink/renderer/platform/exported/web_runtime_features.cc
+++ b/third_party/blink/renderer/platform/exported/web_runtime_features.cc
@@ -52,6 +52,10 @@ void WebRuntimeFeatures::EnableTestOnlyFeatures(bool enable) {
   RuntimeEnabledFeatures::SetTestFeaturesEnabled(enable);
 }
 
+void WebRuntimeFeatures::EnableVibration(bool enable) {
+  RuntimeEnabledFeatures::SetVibrationEnabled(enable);
+}
+
 void WebRuntimeFeatures::EnableOriginTrialControlledFeatures(bool enable) {
   RuntimeEnabledFeatures::SetOriginTrialControlledFeaturesEnabled(enable);
 }
diff --git a/third_party/blink/renderer/platform/runtime_enabled_features.json5 b/third_party/blink/renderer/platform/runtime_enabled_features.json5
--- a/third_party/blink/renderer/platform/runtime_enabled_features.json5
+++ b/third_party/blink/renderer/platform/runtime_enabled_features.json5
@@ -1242,6 +1242,10 @@
     {
       name: "CompositingDecisionAtAnimationPhaseBoundaries"
     },
+    {
+      name: "Vibration",
+      status: "stable",
+    },
     {
       name: "CompositionForegroundMarkers",
       status: {
--