Make the build warning-free.

src/conversions.rs

@@ -30,7 +30,7 @@
 use JSPROP_ENUMERATE;
 use error::throw_type_error;
 use glue::RUST_JS_NumberValue;
-use jsapi::{JSContext, JSObject, JSString, Handle, HandleValue, MutableHandleValue};
+use jsapi::{JSContext, JSObject, JSString, HandleValue, MutableHandleValue};
 use jsapi::{JS_NewUCStringCopyN, JS_StringHasLatin1Chars, JS_WrapValue};
 use jsapi::{JS_GetLatin1StringCharsAndLength, JS_GetTwoByteStringCharsAndLength};
 use jsapi::{JS_NewArrayObject1, JS_DefineElement, RootedValue, RootedObject};
@@ -402,7 +402,7 @@ pub unsafe fn latin1_to_string(cx: *mut JSContext, s: *mut JSString) -> String {
 impl ToJSValConvertible for str {
     unsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue) {
         let mut string_utf16: Vec<u16> = Vec::with_capacity(self.len());
-        string_utf16.extend(self.utf16_units());
+        string_utf16.extend(self.encode_utf16());
         let jsstr = JS_NewUCStringCopyN(cx,
                                         string_utf16.as_ptr(),
                                         string_utf16.len() as libc::size_t);

src/lib.rs

@@ -7,10 +7,10 @@
 
 #![feature(core_intrinsics)]
 #![feature(link_args)]
-#![feature(str_utf16)]
 #![feature(unsafe_no_drop_flag)]
 #![feature(const_fn)]
 
+#![allow(drop_with_repr_extern)]
 #![allow(non_upper_case_globals, non_camel_case_types, non_snake_case, improper_ctypes)]
 
 #[macro_use]

src/rust.rs

@@ -124,7 +124,7 @@ impl Runtime {
 
     pub fn evaluate_script(&self, glob: HandleObject, script: String, filename: String, line_num: u32)
                     -> Result<(),()> {
-        let script_utf16: Vec<u16> = script.utf16_units().collect();
+        let script_utf16: Vec<u16> = script.encode_utf16().collect();
         let filename_cstr = ffi::CString::new(filename.as_bytes()).unwrap();
         debug!("Evaluating script from {} with content {}", filename, script);
         // SpiderMonkey does not approve of null pointers.
@@ -171,7 +171,7 @@ impl Drop for Runtime {
 // ___________________________________________________________________________
 // Rooting API for standard JS things
 
-trait RootKind {
+pub trait RootKind {
     fn rootKind() -> ThingRootKind;
 }