Deny unsafe code in more crates.

components/gfx/lib.rs

@@ -18,6 +18,8 @@
 #![plugin(plugins)]
 #![plugin(serde_macros)]
 
+#![deny(unsafe_code)]
+
 extern crate alloc;
 extern crate app_units;
 extern crate azure;
@@ -98,7 +100,9 @@ pub mod font_template;
 pub mod paint_thread;
 
 // Platform-specific implementations.
+#[allow(unsafe_code)]
 pub mod platform;
 
 // Text
+#[allow(unsafe_code)]
 pub mod text;

components/gfx/paint_context.rs

@@ -1774,6 +1774,7 @@ trait ScaledFontExtensionMethods {
 }
 
 impl ScaledFontExtensionMethods for ScaledFont {
+    #[allow(unsafe_code)]
     fn draw_text(&self,
                  draw_target: &DrawTarget,
                  run: &TextRun,

components/gfx/paint_thread.rs

@@ -450,6 +450,7 @@ impl<C> PaintThread<C> where C: PaintListener + Send + 'static {
         }, ConstellationMsg::Failure(failure_msg), c);
     }
 
+    #[allow(unsafe_code)]
     fn start(&mut self) {
         debug!("PaintThread: beginning painting loop");