Remove usage of unstable box syntax, except in the script crate

… because there’s a lot of it,
and script still uses any other unstable features anyway.

ports/cef/lib.rs

@@ -3,7 +3,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #![allow(non_camel_case_types)]
-#![feature(box_syntax)]
 #![feature(core_intrinsics)]
 #![feature(link_args)]
 

ports/cef/string_list.rs

@@ -11,7 +11,7 @@ use types::{cef_string_list_t,cef_string_t};
 
 #[no_mangle]
 pub extern "C" fn cef_string_list_alloc() -> *mut cef_string_list_t {
-    Box::into_raw(box vec!())
+    Box::into_raw(Box::new(vec!()))
 }
 
 #[no_mangle]
@@ -63,6 +63,6 @@ pub extern "C" fn cef_string_list_copy(lt: *mut cef_string_list_t) -> *mut cef_s
     unsafe {
         if lt.is_null() { return 0 as *mut cef_string_list_t; }
         let copy = (*lt).clone();
-        Box::into_raw(box copy)
+        Box::into_raw(Box::new(copy))
     }
 }

ports/cef/string_map.rs

@@ -13,7 +13,7 @@ use types::{cef_string_map_t, cef_string_t};
 
 #[no_mangle]
 pub extern "C" fn cef_string_map_alloc() -> *mut cef_string_map_t {
-    Box::into_raw(box BTreeMap::new())
+    Box::into_raw(Box::new(BTreeMap::new()))
 }
 
 #[no_mangle]

ports/cef/string_multimap.rs

@@ -13,7 +13,7 @@ use types::{cef_string_multimap_t,cef_string_t};
 
 #[no_mangle]
 pub extern "C" fn cef_string_multimap_alloc() -> *mut cef_string_multimap_t {
-    Box::into_raw(box BTreeMap::new())
+    Box::into_raw(Box::new(BTreeMap::new()))
 }
 
 #[no_mangle]

ports/cef/window.rs

@@ -302,10 +302,10 @@ impl WindowMethods for Window {
                 app_wakeup();
             }
             fn clone(&self) -> Box<EventLoopWaker + Send> {
-                box CefEventLoopWaker
+                Box::new(CefEventLoopWaker)
             }
         }
-        box CefEventLoopWaker
+        Box::new(CefEventLoopWaker)
     }
 
     fn prepare_for_composite(&self, width: usize, height: usize) -> bool {

ports/cef/wrappers.rs

@@ -205,11 +205,11 @@ impl<'a> CefWrap<*const cef_string_t> for &'a [u16] {
 
             // FIXME(pcwalton): This leaks!! We should instead have the caller pass some scratch
             // stack space to create the object in. What a botch.
-            Box::into_raw(box cef_string_utf16 {
+            Box::into_raw(Box::new(cef_string_utf16 {
                 str: ptr,
                 length: buffer.len(),
                 dtor: Some(free_boxed_utf16_string as extern "C" fn(*mut c_ushort)),
-            }) as *const _
+            })) as *const _
         }
     }
     unsafe fn to_rust(cef_string: *const cef_string_t) -> &'a [u16] {

ports/glutin/lib.rs

@@ -4,7 +4,6 @@
 
 //! A simple application that uses glutin to open a window for Servo to display in.
 
-#![feature(box_syntax)]
 
 #[macro_use] extern crate bitflags;
 extern crate compositing;

ports/glutin/window.rs

@@ -1088,15 +1088,15 @@ impl WindowMethods for Window {
                 }
             }
             fn clone(&self) -> Box<EventLoopWaker + Send> {
-                box GlutinEventLoopWaker {
+                Box::new(GlutinEventLoopWaker {
                     window_proxy: self.window_proxy.clone(),
-                }
+                })
             }
         }
         let window_proxy = create_window_proxy(self);
-        box GlutinEventLoopWaker {
+        Box::new(GlutinEventLoopWaker {
             window_proxy: window_proxy,
-        }
+        })
     }
 
     #[cfg(not(target_os = "windows"))]