Added support for self.origin in Window and WorkerGlobalScope

third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl

Index: third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl
diff --git a/third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl b/third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl
index 2c6f355a2bf682f5cdb7cacef25468cbbbec0c08..290a9aae860e32b3572735165affc3899ee0338f 100644
--- a/third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl
+++ b/third_party/WebKit/Source/core/workers/WorkerGlobalScope.idl
@@ -63,6 +63,9 @@
     // Secure Contexts
     // https://w3c.github.io/webappsec-secure-contexts/#dom-windoworworkerglobalscope-issecurecontext
     [ImplementedAs=isSecureContextForBindings] readonly attribute boolean isSecureContext;
+
+    // Intending to deprecate document.origin so use this in workers instead

[Mike West, 2017/02/20 12:21:06]

I'd drop this comment, but point to the definition in HTML instead because it's
not actually defined on WorkerGlobalScope and Window, but on
https://html.spec.whatwg.org/#windoworworkerglobalscope-mixin. We don't
implement that interface in Blink, but we probably should.

+    readonly attribute DOMString origin;
 };
 
 WorkerGlobalScope implements WindowBase64;