This should make BrowsingContext more usable by making it much easier to obtain for a given frame or browser. BrowsingContext and nsFrameLoader should have the same lifetime. Depends on D9394

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/fed1a518579a Expose BrowsingContext on nsFrameLoader objects, r=farre

Backed out 9 changesets (bug 1500948, bug 1500949, bug 1448426, bug 1487249, bug 1500950, bug 1500944) for causing talos crashes on ts_paint | application crashed [@ MOZ_CrashOOL(char const*, int, char const*)] Backout revision https://hg.mozilla.org/integration/mozilla-inbound/rev/c12b84f575c3fe48d72f3c8c24a54b3dee1cc985 Failed push https://treeherder.mozilla.org/#/jobs?repo=mozilla-inbound&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&revision=429776feea6ba796345ef7e41b9c9d367335ef62 Failure log: https://treeherder.mozilla.org/logviewer.html#?job_id=213326943&repo=mozilla-inbound https://treeherder.mozilla.org/logviewer.html#?job_id=213331977&repo=mozilla-inbound :Nika Layzell Cold you please take a look?

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/71c3b3677db8 Expose BrowsingContext on nsFrameLoader objects, r=farre

Backed out 13 changesets (bug 1500948, bug 1509362, bug 1509591, bug 1448426, bug 1500949, bug 1487249, bug 1509930, bug 1500950, bug 1500944) for causing crashes and assertion failures on PBackgroundParent.cpp:696 CLOSED TREE Backout revision https://hg.mozilla.org/integration/mozilla-inbound/rev/9bfe29337ffe3d93cd060077e2e999e72bb9b7cf Failed push https://treeherder.mozilla.org/#/jobs?repo=mozilla-inbound&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&selectedJob=214255312&revision=c3fe435e473a463fbc22d4afa531bdedb757079c Failure logs: https://treeherder.mozilla.org/logviewer.html#?job_id=214255312&repo=mozilla-inbound https://treeherder.mozilla.org/logviewer.html#?job_id=214255794&repo=mozilla-inbound https://treeherder.mozilla.org/logviewer.html#?job_id=214249038&repo=mozilla-inbound https://treeherder.mozilla.org/logviewer.html#?job_id=214249630&repo=mozilla-inbound :Nika Layzell Could you please take a look?

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/207746d120e9 Expose BrowsingContext on nsFrameLoader objects, r=farre

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/069d324080a5 Expose BrowsingContextId to IPDL correctly on a CLOSED TREE, a=bustage

Backed out for multiple crashes, e.g. in 914521.html backout: https://hg.mozilla.org/integration/mozilla-inbound/rev/5e5174a6ca61076e60edb00fa4223818ecd0c2fc push with failures: https://treeherder.mozilla.org/#/jobs?repo=mozilla-inbound&revision=069d324080a54edeb3b8d76b16c9fe85c33a1d3b failure log example: 11:00:02 INFO - REFTEST PROCESS-CRASH | file:///Users/cltbld/tasks/task_1543431328/build/tests/reftest/tests/docshell/base/crashtests/914521.html | application crashed [@ MOZ_CrashOOL(char const*, int, char const*)] 11:00:02 INFO - Crash dump filename: /var/folders/7y/h0rl3jcx0zx5cn4v3qgccryh00000w/T/tmpWryDON.mozrunner/minidumps/E5BF506E-236A-4220-A573-8BB081AB1911.dmp 11:00:02 INFO - Operating system: Mac OS X 11:00:02 INFO - 10.10.5 14F27 11:00:02 INFO - CPU: amd64 11:00:02 INFO - family 6 model 69 stepping 1 11:00:02 INFO - 4 CPUs 11:00:02 INFO - 11:00:02 INFO - GPU: UNKNOWN 11:00:02 INFO - 11:00:02 INFO - Crash reason: EXC_BAD_ACCESS / KERN_INVALID_ADDRESS 11:00:02 INFO - Crash address: 0x0 11:00:02 INFO - Process uptime: 16 seconds 11:00:02 INFO - 11:00:02 INFO - Thread 0 (crashed) 11:00:02 INFO - 0 XUL!MOZ_CrashOOL(char const*, int, char const*) [Assertions.h:069d324080a54edeb3b8d76b16c9fe85c33a1d3b : 311 + 0x0] 11:00:02 INFO - rax = 0x0000000109e426b0 rdx = 0x00007fff792c11f8 11:00:02 INFO - rcx = 0x0000000000000000 rbx = 0x0000000107b3c86a 11:00:02 INFO - rsi = 0x00029a0000029a00 rdi = 0x0002990000029a03 11:00:02 INFO - rbp = 0x00007fff5f0a9520 rsp = 0x00007fff5f0a9510 11:00:02 INFO - r8 = 0x00007fff5f0a94c0 r9 = 0x00007fff7991d300 11:00:02 INFO - r10 = 0x00007fff881fe5d2 r11 = 0x00007fff881fe421 11:00:02 INFO - r12 = 0x000000010a062350 r13 = 0x000000011c9af108 11:00:02 INFO - r14 = 0x0000000000000134 r15 = 0x000000011a620060 11:00:02 INFO - rip = 0x000000010160a267 11:00:02 INFO - Found by: given as instruction pointer in context 11:00:02 INFO - 1 XUL!mozilla::ipc::LogicError(char const*) [ProtocolUtils.cpp:069d324080a54edeb3b8d76b16c9fe85c33a1d3b : 308 + 0x14] 11:00:02 INFO - rbp = 0x00007fff5f0a9530 rsp = 0x00007fff5f0a9530 11:00:02 INFO - rip = 0x000000010160d72b 11:00:02 INFO - Found by: previous frame's frame pointer 11:00:02 INFO - 2 XUL!mozilla::dom::PBrowserChild::SendRootBrowsingContext(mozilla::dom::IdType<mozilla::dom::BrowsingContext> const&) [PBrowserChild.cpp: : 2612 + 0xc] 11:00:02 INFO - rbp = 0x00007fff5f0a9590 rsp = 0x00007fff5f0a9540 11:00:02 INFO - rip = 0x00000001019d7505 11:00:02 INFO - Found by: previous frame's frame pointer 11:00:02 INFO - 3 XUL!mozilla::dom::TabChild::Init(mozIDOMWindowProxy*) [TabChild.cpp:069d324080a54edeb3b8d76b16c9fe85c33a1d3b : 592 + 0x5] 11:00:02 INFO - rbp = 0x00007fff5f0a9640 rsp = 0x00007fff5f0a95a0 11:00:02 INFO - rip = 0x000000010431a09e 11:00:02 INFO - Found by: previous frame's frame pointer 11:00:02 INFO - 4 XUL!mozilla::dom::ContentChild::ProvideWindowCommon(mozilla::dom::TabChild*, mozIDOMWindowProxy*, bool, unsigned int, bool, bool, bool, nsIURI*, nsTSubstring<char16_t> const&, nsTSubstring<char> const&, bool, nsDocShellLoadState*, bool*, mozIDOMWindowProxy**) [ContentChild.cpp:069d324080a54edeb3b8d76b16c9fe85c33a1d3b : 966 + 0xc] 11:00:02 INFO - rbp = 0x00007fff5f0a9a30 rsp = 0x00007fff5f0a9650 11:00:02 INFO - rip = 0x00000001042c68bd 11:00:02 INFO - Found by: previous frame's frame pointer

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/8f8c74fb660d Expose BrowsingContext on nsFrameLoader objects, r=farre

Backout by apavel@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/62f498382b14 Backed out 11 changesets (bug 1500948, bug 1500949, bug 1510460, bug 1509362, bug 1487249, bug 1511237, bug 1500950, bug 1500944) for causing bug 1485566 to permafail on a CLOSED TREE

Pushed by nika@thelayzells.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/5bab2966c5c6 Expose BrowsingContext on nsFrameLoader objects, r=farre