Separate the DOM and layout into separate crates.

src/components/script/dom/clientrect.rs

@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::utils::WrapperCache;
+
+pub struct ClientRect {
+    wrapper: WrapperCache,
+    top: f32,
+    bottom: f32,
+    left: f32,
+    right: f32,
+}
+
+impl ClientRect {
+    pub fn new(top: f32, bottom: f32, left: f32, right: f32) -> @mut ClientRect {
+        let rect = @mut ClientRect {
+            top: top,
+            bottom: bottom,
+            left: left,
+            right: right,
+            wrapper: WrapperCache::new()
+        };
+        rect.init_wrapper();
+        rect
+    }
+
+    pub fn Top(&self) -> f32 {
+        self.top
+    }
+
+    pub fn Bottom(&self) -> f32 {
+        self.bottom
+    }
+
+    pub fn Left(&self) -> f32 {
+        self.left
+    }
+
+    pub fn Right(&self) -> f32 {
+        self.right
+    }
+
+    pub fn Width(&self) -> f32 {
+        f32::abs(self.right - self.left)
+    }
+
+    pub fn Height(&self) -> f32 {
+        f32::abs(self.bottom - self.top)
+    }
+}
+