Fix warnings.

components/gfx/platform/macos/font_context.rs

@@ -6,13 +6,13 @@ use malloc_size_of::{MallocSizeOf, MallocSizeOfOps};
 
 #[derive(Clone, Debug)]
 pub struct FontContextHandle {
-    ctx: (),
+    _ctx: (),
 }
 
 impl FontContextHandle {
     // this is a placeholder until NSFontManager or whatever is bound in here.
     pub fn new() -> FontContextHandle {
-        FontContextHandle { ctx: () }
+        FontContextHandle { _ctx: () }
     }
 }
 

components/net/fetch/methods.rs

@@ -12,8 +12,6 @@ use crate::subresource_integrity::is_response_integrity_valid;
 use content_security_policy as csp;
 use crossbeam_channel::Sender;
 use devtools_traits::DevtoolsControlMsg;
-use futures_util::compat::*;
-use futures_util::StreamExt;
 use headers::{AccessControlExposeHeaders, ContentType, HeaderMapExt, Range};
 use http::header::{self, HeaderMap, HeaderName};
 use hyper::Method;

components/net/filemanager_thread.rs

@@ -57,7 +57,7 @@ struct FileStoreEntry {
 struct FileMetaData {
     path: PathBuf,
     /// Modified time in UNIX Epoch format
-    modified: u64,
+    _modified: u64,
     size: u64,
 }
 
@@ -660,7 +660,7 @@ impl FileManagerStore {
 
         let file_impl = FileImpl::MetaDataOnly(FileMetaData {
             path: file_path.to_path_buf(),
-            modified: modified_epoch,
+            _modified: modified_epoch,
             size: file_size,
         });
 

components/net/http_loader.rs

@@ -523,7 +523,7 @@ async fn obtain_response(
             .replace("}", "%7D");
 
         let request = if let Some(chunk_requester) = body {
-            let (mut sink, stream) = if source_is_null {
+            let (sink, stream) = if source_is_null {
                 // Step 4.2 of https://fetch.spec.whatwg.org/#concept-http-network-fetch
                 // TODO: this should not be set for HTTP/2(currently not supported?).
                 headers.insert(TRANSFER_ENCODING, HeaderValue::from_static("chunked"));