Remove unneeded unsafe blocks.

src/servo-gfx/platform/linux/font.rs

@@ -125,7 +125,7 @@ impl FontHandleMethods for FontHandle {
         if unsafe { (*self.face).style_flags & FT_STYLE_FLAG_BOLD == 0 } {
             default_weight
         } else {
-            let os2 = unsafe { FT_Get_Sfnt_Table(self.face, ft_sfnt_os2) as *TT_OS2 };
+            let os2 = FT_Get_Sfnt_Table(self.face, ft_sfnt_os2) as *TT_OS2;
             let valid = os2.is_not_null() && unsafe { (*os2).version != 0xffff };
             if valid {
                 let weight = unsafe { (*os2).usWeightClass };
@@ -283,7 +283,7 @@ pub impl<'self> FontHandle {
         // face.size is a *c_void in the bindings, presumably to avoid
         // recursive structural types
         let size: &FT_SizeRec = unsafe { cast::transmute(&(*face.size)) };
-        let metrics: &FT_Size_Metrics = unsafe { &((*size).metrics) };
+        let metrics: &FT_Size_Metrics = &(*size).metrics;
 
         let em_size = face.units_per_EM as float;
         let x_scale = (metrics.x_ppem as float) / em_size as float;

src/servo-gfx/resource/image_cache_task.rs

@@ -54,7 +54,7 @@ pub enum ImageResponseMsg {
 impl ImageResponseMsg {
     fn clone(&self) -> ImageResponseMsg {
         match *self {
-          ImageReady(ref img) => ImageReady(unsafe { clone_arc(img) }),
+          ImageReady(ref img) => ImageReady(clone_arc(img)),
           ImageNotReady => ImageNotReady,
           ImageFailed => ImageFailed
         }

src/servo-gfx/text/shaping/harfbuzz.rs

@@ -74,7 +74,6 @@ pub struct ShapedGlyphEntry {
 
 impl ShapedGlyphData {
     pub fn new(buffer: *hb_buffer_t) -> ShapedGlyphData {
-        unsafe {
         let glyph_count = 0;
         let glyph_infos = hb_buffer_get_glyph_infos(buffer, &glyph_count);
         let glyph_count = glyph_count as uint;
@@ -90,7 +89,6 @@ impl ShapedGlyphData {
             pos_infos: pos_infos,
         }
     }
-    }
 
     #[inline(always)]
     fn byte_offset_of_glyph(&self, i: uint) -> uint {
@@ -167,7 +165,6 @@ impl Drop for Shaper {
 
 impl Shaper {
     pub fn new(font: @mut Font) -> Shaper {
-        unsafe {
         let font_ptr: *mut Font = &mut *font;
         let hb_face: *hb_face_t = hb_face_create_for_tables(get_font_table_func,
                                                             font_ptr as *c_void,
@@ -197,7 +194,6 @@ impl Shaper {
             hb_funcs: hb_funcs,
         }
     }
-    }
 
     fn float_to_fixed(f: float) -> i32 {
         float_to_fixed(16, f)

src/servo/content/content_task.rs

@@ -156,9 +156,7 @@ pub fn Content(layout_task: LayoutTask,
 }
 
 pub fn task_from_context(cx: *JSContext) -> *mut Content {
-    unsafe {
     JS_GetContextPrivate(cx) as *mut Content
-    }
 }
 
 #[allow(non_implicitly_copyable_typarams)]

src/servo/dom/bindings/element.rs

@@ -202,10 +202,8 @@ pub fn create(cx: *JSContext, node: &mut AbstractNode) -> jsobj {
 
     node.get_wrappercache().set_wrapper(obj.ptr);
 
-    unsafe {
     let raw_ptr = ptr::addr_of(node) as *libc::c_void;
     JS_SetReservedSlot(obj.ptr, DOM_OBJECT_SLOT as u32, RUST_PRIVATE_TO_JSVAL(raw_ptr));
-    }
 
     return obj;
 }

src/servo/dom/bindings/utils.rs

@@ -372,7 +372,6 @@ pub fn CreateInterfaceObjects2(cx: *JSContext, global: *JSObject, receiver: *JSO
                                constants: *ConstantSpec,
                                staticMethods: *JSFunctionSpec,
                                name: &str) -> *JSObject {
-    unsafe {
     let mut proto = ptr::null();
     if protoClass.is_not_null() {
         proto = CreateInterfacePrototypeObject(cx, global, protoProto,
@@ -403,7 +402,6 @@ pub fn CreateInterfaceObjects2(cx: *JSContext, global: *JSObject, receiver: *JSO
     } else {
         interface
     }
-    }
 }
 
 fn CreateInterfaceObject(cx: *JSContext, global: *JSObject, receiver: *JSObject,
@@ -412,7 +410,6 @@ fn CreateInterfaceObject(cx: *JSContext, global: *JSObject, receiver: *JSObject,
                          staticMethods: *JSFunctionSpec,
                          constants: *ConstantSpec,
                          name: *libc::c_char) -> *JSObject {
-  unsafe {
     let constructor = if constructorClass.is_not_null() {
         let functionProto = JS_GetFunctionPrototype(cx, global);
         if functionProto.is_null() {
@@ -482,7 +479,6 @@ fn CreateInterfaceObject(cx: *JSContext, global: *JSObject, receiver: *JSObject,
     }
 
     return constructor;
-  }
 }
 
 fn DefineConstants(cx: *JSContext, obj: *JSObject, constants: *ConstantSpec) -> bool {
@@ -506,11 +502,11 @@ fn DefineConstants(cx: *JSContext, obj: *JSObject, constants: *ConstantSpec) ->
 }
 
 fn DefineMethods(cx: *JSContext, obj: *JSObject, methods: *JSFunctionSpec) -> bool {
-    unsafe { JS_DefineFunctions(cx, obj, methods) != 0 }
+    JS_DefineFunctions(cx, obj, methods) != 0
 }
 
 fn DefineProperties(cx: *JSContext, obj: *JSObject, properties: *JSPropertySpec) -> bool {
-    unsafe { JS_DefineProperties(cx, obj, properties) != 0 }
+    JS_DefineProperties(cx, obj, properties) != 0
 }
 
 fn CreateInterfacePrototypeObject(cx: *JSContext, global: *JSObject,
@@ -571,7 +567,7 @@ pub impl WrapperCache {
     }
 
     fn set_wrapper(&mut self, wrapper: *JSObject) {
-        unsafe { self.wrapper = wrapper; }
+        self.wrapper = wrapper;
     }
 
     fn new() -> WrapperCache {

src/servo/dom/node.rs

@@ -335,19 +335,14 @@ impl DebugMethods for AbstractNode {
         debug!("%s", s);
 
         // FIXME: this should have a pure version?
-        unsafe {
         for self.each_child() |kid| {
             kid.dump_indent(indent + 1u)
         }
     }
-    }
 
     fn debug_str(&self) -> ~str {
-        // Unsafe due to the call to type_id().
-        unsafe {
         fmt!("%?", self.type_id())
     }
-    }
 }
 
 impl Node {

src/servo/html/hubbub_html_parser.rs

@@ -224,7 +224,6 @@ pub fn parse_html(url: Url,
 
     let url2 = url.clone(), url3 = url.clone();
 
-    unsafe {
     // Build the root node.
     let root = ~HTMLHtmlElement { parent: Element::new(HTMLHtmlElementTypeId, ~"html") };
     let root = unsafe { Node::as_abstract_node(root) };
@@ -329,9 +328,7 @@ pub fn parse_html(url: Url,
                 _ => {}
             }
 
-                unsafe {
             node.to_hubbub_node()
-                }
         },
         create_text: |data: ~str| {
             debug!("create text");
@@ -361,10 +358,8 @@ pub fn parse_html(url: Url,
         },
         clone_node: |_node, deep| {
             debug!("clone node");
-                unsafe {
             if deep { error!("-- deep clone unimplemented"); }
             fail!(~"clone node unimplemented")
-                }
         },
         reparent_children: |_node, _new_parent| {
             debug!("reparent children");
@@ -435,6 +430,5 @@ pub fn parse_html(url: Url,
     js_chan.send(JSTaskExit);
 
     return HtmlParserResult { root: root, style_port: css_port, js_port: js_port };
-    }
 }
 

src/servo/layout/box_builder.rs

@@ -83,7 +83,7 @@ priv fn simulate_UA_display_rules(node: AbstractNode) -> CSSDisplay {
 
 impl BoxGenerator {
     fn new(flow: @mut FlowContext) -> BoxGenerator {
-        unsafe { debug!("Creating box generator for flow: %s", flow.debug_str()); }
+        debug!("Creating box generator for flow: %s", flow.debug_str());
         BoxGenerator {
             flow: flow,
             range_stack: ~[]
@@ -208,7 +208,7 @@ struct BuilderContext {
 
 impl BuilderContext {
     fn new(collector: @mut BoxGenerator) -> BuilderContext {
-        unsafe { debug!("Creating new BuilderContext for flow: %s", collector.flow.debug_str()); }
+        debug!("Creating new BuilderContext for flow: %s", collector.flow.debug_str());
         BuilderContext {
             default_collector: collector,
             inline_collector: None,

src/servo/layout/flow.rs

@@ -279,12 +279,10 @@ impl BoxedMutDebugMethods for FlowContext {
         debug!("%s", s);
 
         // FIXME: this should have a pure/const version?
-        unsafe {
         for FlowTree.each_child(self) |child| {
             child.dump_indent(indent + 1u)
         }
     }
-    }
     
     fn debug_str(@mut self) -> ~str {
         let repr = match *self {