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Backed out 2 changesets (bug 1875040) for causing performance regression - Bug 1877481. CLOSED TREE

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Backed out changeset 8af7503ecb57 (bug 1875040)
Backed out changeset 0e77ff8e2bfc (bug 1875040)
This commit is contained in:
Iulian Moraru 2024-02-15 17:40:41 +02:00
parent cf648b9f1b
commit 3c429990cb
2 changed files with 18 additions and 3 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
docshell/base/nsDocShell.cpp
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@ -9436,7 +9436,7 @@ nsresult nsDocShell::InternalLoad(nsDocShellLoadState* aLoadState,
// separate check for SHIP so that we know if there are ongoing requests
// before calling Stop() below.
if (mozilla::SessionHistoryInParent()) {
Document* document = GetExtantDocument();
Document* document = GetDocument();
uint32_t flags = 0;
if (document && !document->CanSavePresentation(nullptr, flags, true)) {
// This forces some flags into the WindowGlobalParent's mBFCacheStatus,

15
remote/cdp/observers/ContextObserver.sys.mjs
View file

@ -34,6 +34,8 @@ export class ContextObserver {
this.chromeEventHandler = chromeEventHandler;
lazy.EventEmitter.decorate(this);
this._fissionEnabled = Services.appinfo.fissionAutostart;
this.chromeEventHandler.addEventListener("DOMWindowCreated", this, {
mozSystemGroup: true,
});
@ -49,7 +51,11 @@ export class ContextObserver {
Services.obs.addObserver(this, "document-element-inserted");
Services.obs.addObserver(this, "inner-window-destroyed");
// With Fission disabled the `DOMWindowCreated` event is fired too late.
// Use the `webnavigation-create` notification instead.
if (!this._fissionEnabled) {
Services.obs.addObserver(this, "webnavigation-create");
}
Services.obs.addObserver(this, "webnavigation-destroy");
}
@ -67,7 +73,9 @@ export class ContextObserver {
Services.obs.removeObserver(this, "document-element-inserted");
Services.obs.removeObserver(this, "inner-window-destroyed");
if (!this._fissionEnabled) {
Services.obs.removeObserver(this, "webnavigation-create");
}
Services.obs.removeObserver(this, "webnavigation-destroy");
}
@ -83,6 +91,13 @@ export class ContextObserver {
// what ExecutionContext(s) to destroy.
this.emit("context-destroyed", { frameId });
// With Fission enabled the frame is attached early enough so that
// expected network requests and responses are handles afterward.
// Otherwise send the event when `webnavigation-create` is received.
if (this._fissionEnabled) {
this.emit("frame-attached", { frameId, window });
}
break;
case "pageshow":