removed instances of -> () in existing code

components/script/dom/bluetoothdevice.rs

@@ -251,7 +251,7 @@ impl BluetoothDeviceMethods for BluetoothDevice {
     }
 
     // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothdevice-unwatchadvertisements
-    fn UnwatchAdvertisements(&self) -> () {
+    fn UnwatchAdvertisements(&self) {
         // Step 1.
         self.watching_advertisements.set(false)
         // TODO: Step 2.

components/script/dom/canvasrenderingcontext2d.rs

@@ -888,7 +888,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-imagesmoothingenabled
-    fn SetImageSmoothingEnabled(&self, value: bool) -> () {
+    fn SetImageSmoothingEnabled(&self, value: bool) {
         self.state.borrow_mut().image_smoothing_enabled = value;
     }
 

components/script/dom/testbinding.rs

@@ -247,8 +247,8 @@ impl TestBindingMethods for TestBinding {
         Some(ByteStringOrLong::ByteString(ByteString::new(vec!())))
     }
     fn SetUnion6AttributeNullable(&self, _: Option<ByteStringOrLong>) {}
-    fn BinaryRenamedMethod(&self) -> () {}
-    fn ReceiveVoid(&self) -> () {}
+    fn BinaryRenamedMethod(&self) {}
+    fn ReceiveVoid(&self) {}
     fn ReceiveBoolean(&self) -> bool { false }
     fn ReceiveByte(&self) -> i8 { 0 }
     fn ReceiveOctet(&self) -> u8 { 0 }

components/script/dom/testbindingproxy.rs

@@ -18,15 +18,15 @@ impl TestBindingProxyMethods for TestBindingProxy {
     fn Length(&self) -> u32 { 0 }
     fn SupportedPropertyNames(&self) -> Vec<DOMString> { vec![] }
     fn GetNamedItem(&self, _: DOMString) -> DOMString { DOMString::new() }
-    fn SetNamedItem(&self, _: DOMString, _: DOMString) -> () {}
+    fn SetNamedItem(&self, _: DOMString, _: DOMString) {}
     fn GetItem(&self, _: u32) -> DOMString { DOMString::new() }
-    fn SetItem(&self, _: u32, _: DOMString) -> () {}
-    fn RemoveItem(&self, _: DOMString) -> () {}
+    fn SetItem(&self, _: u32, _: DOMString) {}
+    fn RemoveItem(&self, _: DOMString) {}
     fn Stringifier(&self) -> DOMString { DOMString::new() }
     fn IndexedGetter(&self, _: u32) -> Option<DOMString> { None }
-    fn NamedDeleter(&self, _: DOMString) -> () {}
-    fn IndexedSetter(&self, _: u32, _: DOMString) -> () {}
-    fn NamedSetter(&self, _: DOMString, _: DOMString) -> () {}
+    fn NamedDeleter(&self, _: DOMString) {}
+    fn IndexedSetter(&self, _: u32, _: DOMString) {}
+    fn NamedSetter(&self, _: DOMString, _: DOMString) {}
     fn NamedGetter(&self, _: DOMString) -> Option<DOMString> { None }
 
 }

components/script/dom/vrdisplay.rs

@@ -203,7 +203,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-resetpose
-    fn ResetPose(&self) -> () {
+    fn ResetPose(&self) {
         let (sender, receiver) = ipc::channel().unwrap();
         self.webvr_thread().send(WebVRMsg::ResetPose(self.global().pipeline_id(),
                                                      self.get_display_id(),
@@ -220,7 +220,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-depthnear
-    fn SetDepthNear(&self, value: Finite<f64>) -> () {
+    fn SetDepthNear(&self, value: Finite<f64>) {
         self.depth_near.set(*value.deref());
     }
 
@@ -230,7 +230,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-depthfar
-    fn SetDepthFar(&self, value: Finite<f64>) -> () {
+    fn SetDepthFar(&self, value: Finite<f64>) {
         self.depth_far.set(*value.deref());
     }
 
@@ -249,7 +249,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-cancelanimationframe
-    fn CancelAnimationFrame(&self, handle: u32) -> () {
+    fn CancelAnimationFrame(&self, handle: u32) {
         if self.presenting.get() {
             let mut list = self.raf_callback_list.borrow_mut();
             if let Some(mut pair) = list.iter_mut().find(|pair| pair.0 == handle) {
@@ -364,7 +364,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-submitframe
-    fn SubmitFrame(&self) -> () {
+    fn SubmitFrame(&self) {
         if !self.presenting.get() {
             warn!("VRDisplay not presenting");
             return;