cargo fix --edition-idioms

ports/libsimpleservo/build.rs

@@ -2,9 +2,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-extern crate cc;
-extern crate gl_generator;
-
 use gl_generator::{Api, Fallbacks, Profile, Registry};
 use std::env;
 use std::fs::File;

ports/libsimpleservo/src/api.rs

@@ -106,10 +106,10 @@ pub fn servo_version() -> String {
 /// In the future, this will be done in multiple steps.
 pub fn init(
     init_opts: InitOptions,
-    gl: Rc<gl::Gl>,
-    waker: Box<EventLoopWaker>,
-    readfile: Box<ReadFileTrait + Send + Sync>,
-    callbacks: Box<HostTrait>,
+    gl: Rc<dyn gl::Gl>,
+    waker: Box<dyn EventLoopWaker>,
+    readfile: Box<dyn ReadFileTrait + Send + Sync>,
+    callbacks: Box<dyn HostTrait>,
 ) -> Result<(), &'static str> {
     resources::set(Box::new(ResourceReader(readfile)));
 
@@ -444,9 +444,9 @@ impl ServoGlue {
 }
 
 struct ServoCallbacks {
-    waker: Box<EventLoopWaker>,
-    gl: Rc<gl::Gl>,
-    host_callbacks: Box<HostTrait>,
+    waker: Box<dyn EventLoopWaker>,
+    gl: Rc<dyn gl::Gl>,
+    host_callbacks: Box<dyn HostTrait>,
     width: Cell<u32>,
     height: Cell<u32>,
     density: f32,
@@ -464,12 +464,12 @@ impl WindowMethods for ServoCallbacks {
         self.host_callbacks.flush();
     }
 
-    fn create_event_loop_waker(&self) -> Box<EventLoopWaker> {
+    fn create_event_loop_waker(&self) -> Box<dyn EventLoopWaker> {
         debug!("WindowMethods::create_event_loop_waker");
         self.waker.clone()
     }
 
-    fn gl(&self) -> Rc<gl::Gl> {
+    fn gl(&self) -> Rc<dyn gl::Gl> {
         debug!("WindowMethods::gl");
         self.gl.clone()
     }
@@ -493,7 +493,7 @@ impl WindowMethods for ServoCallbacks {
     }
 }
 
-struct ResourceReader(Box<ReadFileTrait + Send + Sync>);
+struct ResourceReader(Box<dyn ReadFileTrait + Send + Sync>);
 
 impl resources::ResourceReaderMethods for ResourceReader {
     fn read(&self, file: Resource) -> Vec<u8> {

ports/libsimpleservo/src/capi.rs

@@ -64,7 +64,7 @@ pub extern "C" fn servo_version() -> *const c_char {
 
 fn init(
     opts: CInitOptions,
-    gl: Rc<gl::Gl>,
+    gl: Rc<dyn gl::Gl>,
     wakeup: extern "C" fn(),
     readfile: extern "C" fn(*const c_char) -> *const c_char,
     callbacks: CHostCallbacks,
@@ -238,7 +238,7 @@ impl WakeupCallback {
 }
 
 impl EventLoopWaker for WakeupCallback {
-    fn clone(&self) -> Box<EventLoopWaker + Send> {
+    fn clone(&self) -> Box<dyn EventLoopWaker + Send> {
         Box::new(WakeupCallback(self.0))
     }
     fn wake(&self) {

ports/libsimpleservo/src/gl_glue.rs

@@ -89,7 +89,7 @@ pub mod egl {
 pub mod gl {
     use servo::gl::Gl;
     use std::rc::Rc;
-    pub fn init() -> Result<Rc<Gl>, &'static str> {
+    pub fn init() -> Result<Rc<dyn Gl>, &'static str> {
         // FIXME: Add an OpenGL version
         unimplemented!()
     }

ports/libsimpleservo/src/lib.rs

@@ -2,20 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#[cfg(target_os = "android")]
-extern crate android_injected_glue;
-#[cfg(target_os = "android")]
-extern crate android_logger;
-#[cfg(target_os = "android")]
-extern crate jni;
-#[cfg(any(target_os = "android", target_os = "windows"))]
-extern crate libc;
 #[macro_use]
 extern crate log;
-extern crate serde_json;
-extern crate servo;
-#[cfg(target_os = "windows")]
-extern crate winapi;
 
 mod api;
 mod gl_glue;