2 files changed, 6 insertions, 3 deletions
diff --git a/components/shared/embedder/input_events.rs b/components/shared/embedder/input_events.rs
index 0268be6dd9c..acaa9afb3ff 100644
--- a/components/shared/embedder/input_events.rs
+++ b/components/shared/embedder/input_events.rs
@@ -61,15 +61,16 @@ pub enum MouseButton {
     Other(u16),
 }
 
-impl From<u16> for MouseButton {
-    fn from(value: u16) -> Self {
+impl<T: Into<u64>> From<T> for MouseButton {
+    fn from(value: T) -> Self {
+        let value = value.into();
         match value {
             0 => MouseButton::Left,
             1 => MouseButton::Middle,
             2 => MouseButton::Right,
             3 => MouseButton::Back,
             4 => MouseButton::Forward,
-            _ => MouseButton::Other(value),
+            _ => MouseButton::Other(value as u16),
         }
     }
 }
diff --git a/components/shared/embedder/webdriver.rs b/components/shared/embedder/webdriver.rs
index 9577163411e..3716a29951a 100644
--- a/components/shared/embedder/webdriver.rs
+++ b/components/shared/embedder/webdriver.rs
@@ -44,6 +44,8 @@ pub enum WebDriverCommandMsg {
     MouseButtonAction(WebViewId, MouseButtonAction, MouseButton, f32, f32),
     /// Act as if the mouse was moved in the browsing context with the given ID.
     MouseMoveAction(WebViewId, f32, f32),
+    /// Act as if the mouse wheel is scrolled in the browsing context given the given ID.
+    WheelScrollAction(WebViewId, f32, f32, f64, f64),
     /// Set the window size.
     SetWindowSize(WebViewId, DeviceIntSize, IpcSender<Size2D<f32, CSSPixel>>),
     /// Take a screenshot of the window.