From 9046085506e30b5fbcd92d51a122abe077be0caf Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Thu, 17 Oct 2013 21:44:14 +0200
Subject: [PATCH 1/2] Make Blob create its binding eagerly.

---
 src/components/script/dom/blob.rs | 34 ++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/src/components/script/dom/blob.rs b/src/components/script/dom/blob.rs
index 3d17c44bc26..b981786f0f0 100644
--- a/src/components/script/dom/blob.rs
+++ b/src/components/script/dom/blob.rs
@@ -4,20 +4,33 @@
 
 use dom::bindings::utils::{Reflectable, Reflector};
 use dom::bindings::codegen::BlobBinding;
-use script_task::{page_from_context};
+use dom::window::Window;
 
 use js::jsapi::{JSContext, JSObject};
 
 pub struct Blob {
-    reflector_: Reflector
+    reflector_: Reflector,
+    window: @mut Window,
 }
 
 impl Blob {
-    pub fn new() -> @mut Blob {
-        @mut Blob {
-            reflector_: Reflector::new()
+    pub fn new_inherited(window: @mut Window) -> Blob {
+        Blob {
+            reflector_: Reflector::new(),
+            window: window,
         }
     }
+
+    pub fn new(window: @mut Window) -> @mut Blob {
+        let blob = @mut Blob::new_inherited(window);
+        let cx = window.get_cx();
+        let scope = window.reflector().get_jsobject();
+        if BlobBinding::Wrap(cx, scope, blob).is_null() {
+            fail!("BlobBinding::Wrap failed");
+        }
+        assert!(blob.reflector().get_jsobject().is_not_null());
+        blob
+    }
 }
 
 impl Reflectable for Blob {
@@ -29,14 +42,11 @@ impl Reflectable for Blob {
         &mut self.reflector_
     }
 
-    fn wrap_object_shared(@mut self, cx: *JSContext, scope: *JSObject) -> *JSObject {
-        BlobBinding::Wrap(cx, scope, self)
+    fn wrap_object_shared(@mut self, _cx: *JSContext, _scope: *JSObject) -> *JSObject {
+        unreachable!();
     }
 
-    fn GetParentObject(&self, cx: *JSContext) -> Option<@mut Reflectable> {
-        let page = page_from_context(cx);
-        unsafe {
-            Some((*page).frame.get_ref().window as @mut Reflectable)
-        }
+    fn GetParentObject(&self, _cx: *JSContext) -> Option<@mut Reflectable> {
+        Some(self.window as @mut Reflectable)
     }
 }

From 40fde80e1a738f392e5741ac8b88e7655728d371 Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Fri, 18 Oct 2013 19:30:32 +0200
Subject: [PATCH 2/2] Implement the no-argument Blob constructor.

---
 src/components/script/dom/bindings/codegen/Blob.webidl | 5 +++--
 src/components/script/dom/blob.rs                      | 7 +++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/components/script/dom/bindings/codegen/Blob.webidl b/src/components/script/dom/bindings/codegen/Blob.webidl
index bc6ad78efa5..afa67719560 100644
--- a/src/components/script/dom/bindings/codegen/Blob.webidl
+++ b/src/components/script/dom/bindings/codegen/Blob.webidl
@@ -4,11 +4,12 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  *
  * The origin of this IDL file is
- * http://www.w3.org/TR/2012/WD-dom-20120105/
+ * http://dev.w3.org/2006/webapi/FileAPI/
  *
  * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
  * liability, trademark and document use rules apply.
  */
 
+[Constructor]
 interface Blob {
-};
\ No newline at end of file
+};
diff --git a/src/components/script/dom/blob.rs b/src/components/script/dom/blob.rs
index b981786f0f0..9e265e4114b 100644
--- a/src/components/script/dom/blob.rs
+++ b/src/components/script/dom/blob.rs
@@ -3,6 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use dom::bindings::utils::{Reflectable, Reflector};
+use dom::bindings::utils::Fallible;
 use dom::bindings::codegen::BlobBinding;
 use dom::window::Window;
 
@@ -33,6 +34,12 @@ impl Blob {
     }
 }
 
+impl Blob {
+    pub fn Constructor(window: @mut Window) -> Fallible<@mut Blob> {
+        Ok(Blob::new(window))
+    }
+}
+
 impl Reflectable for Blob {
     fn reflector<'a>(&'a self) -> &'a Reflector {
         &self.reflector_