Code sanitized and fixed errors in travis build

components/script/dom/offscreencanvas.rs

@@ -15,8 +15,8 @@ use dom::element::{Element, RawLayoutElementHelpers};
 use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::node::{Node, window_from_node};
-use dom::offscreencanvasrenderingcontext2d::{OffscreenCanvasRenderingContext2D,
-     LayoutOffscreenCanvasRenderingContext2DHelpers};
+use dom::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D;
+use dom::offscreencanvasrenderingcontext2d::LayoutOffscreenCanvasRenderingContext2DHelpers;
 use dom::webglrenderingcontext::{LayoutCanvasWebGLRenderingContextHelpers, WebGLRenderingContext};
 use dom_struct::dom_struct;
 use html5ever::{LocalName, Prefix};

components/script/dom/offscreencanvasrenderingcontext2d.rs

@@ -458,10 +458,8 @@ impl OffscreenCanvasRenderingContext2DMethods for OffscreenCanvasRenderingContex
         self.draw_image(image, 0f64, 0f64, None, None, dx, dy, None, None)
     }
 
-    /// Reassign the focus context to the element that last requested focus during this
-    /// transaction, or none if no elements requested it.
+    // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
     fn Commit(&self) {
-
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage