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Bug 1072472 - [e10s] Make sandbox shim work with COWs (r=mconley)

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This commit is contained in:
Bill McCloskey 2014-09-29 13:05:23 -07:00
parent 4465d2b3ff
commit 44e57f85b7
1 changed files with 16 additions and 0 deletions
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16
toolkit/components/addoncompat/RemoteAddonsParent.jsm
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@ -581,6 +581,22 @@ let SandboxParent = {
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIContentFrameMessageManager);
if (rest.length) {
// Do a shallow copy of the options object into the child
// process. This way we don't have to access it through a Chrome
// object wrapper, which would require __exposedProps__.
//
// The only object property here is sandboxPrototype. We assume
// it's a child process object (since that's what Greasemonkey
// does) and leave it alone.
let options = rest[0];
let optionsCopy = new chromeGlobal.Object();
for (let prop in options) {
optionsCopy[prop] = options[prop];
}
rest[0] = optionsCopy;
}
// Make a sandbox in the child.
let cu = chromeGlobal.Components.utils;
let sandbox = cu.Sandbox(principal, ...rest);