Remove as_mut_slice() calls.

components/canvas/canvas_paint_task.rs

@@ -516,7 +516,7 @@ impl<'a> CanvasPaintTask<'a> {
         let mut dest_data = self.read_pixels(dest_rect, canvas_size);
 
         // bgra -> rgba
-        byte_swap(dest_data.as_mut_slice());
+        byte_swap(&mut dest_data);
         chan.send(dest_data).unwrap();
     }
 
@@ -530,7 +530,7 @@ impl<'a> CanvasPaintTask<'a> {
 
         assert!(image_data_rect.size.width * image_data_rect.size.height * 4.0 == imagedata.len() as f64);
         // rgba -> bgra
-        byte_swap(imagedata.as_mut_slice());
+        byte_swap(&mut imagedata);
 
         let image_rect = Rect(Point2D(0f64, 0f64),
                                Size2D(image_data_rect.size.width, image_data_rect.size.height));

components/canvas/webgl_paint_task.rs

@@ -100,7 +100,7 @@ impl WebGLPaintTask {
                                     gl::RGBA, gl::UNSIGNED_BYTE);
 
         // rgba -> bgra
-        byte_swap(pixels.as_mut_slice());
+        byte_swap(&mut pixels);
         chan.send(pixels).unwrap();
     }
 

components/layout/table_wrapper.rs

@@ -288,7 +288,7 @@ impl Flow for TableWrapperFlow {
             TableLayout::Fixed => {}
             TableLayout::Auto => {
                 self.calculate_table_column_sizes_for_automatic_layout(
-                    intermediate_column_inline_sizes.as_mut_slice())
+                    &mut intermediate_column_inline_sizes)
             }
         }
 

components/net/file_loader.rs

@@ -23,7 +23,7 @@ enum ReadStatus {
 
 fn read_block(reader: &mut File) -> Result<ReadStatus, String> {
     let mut buf = vec![0; READ_SIZE];
-    match reader.read(buf.as_mut_slice()) {
+    match reader.read(&mut buf) {
         Ok(0) => return Ok(ReadStatus::EOF),
         Ok(n) => {
             buf.truncate(n);

components/net/http_loader.rs

@@ -56,7 +56,7 @@ enum ReadResult {
 fn read_block<R: Read>(reader: &mut R) -> Result<ReadResult, ()> {
     let mut buf = vec![0; 1024];
 
-    match reader.read(buf.as_mut_slice()) {
+    match reader.read(&mut buf) {
         Ok(len) if len > 0 => {
             unsafe { buf.set_len(len); }
             Ok(ReadResult::Payload(buf))

ports/gonk/src/input.rs

@@ -139,7 +139,7 @@ fn read_input_device(device_path: &Path,
     // XXX: Need to use the real dimensions of the screen
     let screen_dist = dist(0, 480, 854, 0);
     loop {
-        let read = match device.read(buf.as_mut_slice()) {
+        let read = match device.read(&mut buf) {
             Ok(count) => {
                 assert!(count % size_of::<linux_input_event>() == 0,
                         "Unexpected input device read length!");