Re-introduces support for setting remote icons provided a loading principal is
passed. Removes some now defunkt code from sessionstore.
Differential Revision: https://phabricator.services.mozilla.com/D3123
Creating non-shared scopes for frame scripts is fairly expensive. After these
changes it's even more expensive. However, many frame scripts have no use for
the shared scopes at all. Run-once scripts which execute in closures, for
instance, make no use of them. And after bug 1472491, neither do most of our
default frame scripts.
MozReview-Commit-ID: 9PK7bYdQ0yh
This is mostly self-explanatory. However, the patch also contains some minor
changes to frame scripts which expect to be able to call message manager
methods with a null target object, which stops working when they stop being
global objects.
MozReview-Commit-ID: HDT2RvK3F3L
I generally tried to preserve the behavior of consumers where they treated an
exception from getInterface(Ci.nsIContentFrameMessageManager) as a signal to use
some sort of fallback.
I did change the behavior of consumers that walked up to the root same-type
docshell before getting the message manager to just get it directly from the
docshell they have. Please review those parts carefully, and let me know if you
want me to ask some subject area experts to review those.
I generally tried to preserve the behavior of consumers where they treated an
exception from getInterface(Ci.nsIContentFrameMessageManager) as a signal to use
some sort of fallback.
I did change the behavior of consumers that walked up to the root same-type
docshell before getting the message manager to just get it directly from the
docshell they have. Please review those parts carefully, and let me know if you
want me to ask some subject area experts to review those.
DocShells are associated with outer DOM Windows, rather than Documents, so
having the getter on the document is a bit odd to begin with. But it's also
considerably less convenient, since most of the times when we want a docShell
from JS, we're dealing most directly with a window, and have to detour through
the document to get it.
MozReview-Commit-ID: LUj1H9nG3QL
DocShells are associated with outer DOM Windows, rather than Documents, so
having the getter on the document is a bit odd to begin with. But it's also
considerably less convenient, since most of the times when we want a docShell
from JS, we're dealing most directly with a window, and have to detour through
the document to get it.
MozReview-Commit-ID: LUj1H9nG3QL
This is a small performance optimization for callers of willOverrideHomepage.
They want to know if the URL the window was passed will be overridden. Once
we finish restoring windows, that'll never happen again, and we can return
without waiting for a promise.
MozReview-Commit-ID: NhKDHT6rBX
Before this change, we accessed the browser URL in the following ways:
- "chrome://browser/content/browser.xul"
- "chrome://browser/content/" (which redirects to chrome://browser/content/browser.xul)
- Services.prefs.getCharPref("browser.chromeURL") which returns "chrome://browser/content/"
- getBrowserURL() from utilityOverlay.js
MozReview-Commit-ID: I5vtRke1x9t
We've been able to validate that the sessionstore worker restarts, as implemented
in bug 1402267, are working as expected and that worker threads are indeed _not_
infallible during the main process' lifetime.
MozReview-Commit-ID: Le8AJhlWMn8
