Add plugins for compositing and net crates #7699

Changed to_string calls to to_owned calls
where was a need.

components/compositing/Cargo.toml

@@ -43,6 +43,9 @@ path = "../canvas_traits"
 [dependencies.canvas]
 path = "../canvas"
 
+[dependencies.plugins]
+path = "../plugins"
+
 [dependencies.azure]
 git = "https://github.com/servo/rust-azure"
 

components/compositing/compositor.rs

@@ -248,7 +248,7 @@ fn initialize_png(width: usize, height: usize) -> (Vec<gl::GLuint>, Vec<gl::GLui
 }
 
 pub fn reporter_name() -> String {
-    "compositor-reporter".to_string()
+    "compositor-reporter".to_owned()
 }
 
 impl<Window: WindowMethods> IOCompositor<Window> {

components/compositing/constellation.rs

@@ -486,10 +486,10 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
             }
             ConstellationMsg::GetClipboardContents(sender) => {
                 let result = self.clipboard_ctx.as_ref().map_or(
-                    "".to_string(),
+                    "".to_owned(),
                     |ctx| ctx.get_contents().unwrap_or_else(|e| {
                         debug!("Error getting clipboard contents ({}), defaulting to empty string", e);
-                        "".to_string()
+                        "".to_owned()
                     })
                 );
                 sender.send(result).unwrap();

components/compositing/lib.rs

@@ -6,6 +6,8 @@
 #![feature(iter_cmp)]
 #![feature(slice_bytes)]
 #![feature(vec_push_all)]
+#![feature(plugin)]
+#![plugin(plugins)]
 
 #![deny(unsafe_code)]