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Bug 1159003 - setResourceTimingBufferSize shouldn't affect user timing, but we should clean user markers if we have memory pressure, r=bz

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roytam1 2023-04-13 16:42:19 +08:00
commit bc3eb89dee
5 changed files with 40 additions and 17 deletions
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12
dom/base/nsGlobalWindow.cpp
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@ -318,6 +318,8 @@ nsGlobalWindow::DOMMinTimeoutValue() const {
// nsTimerImpl.h for details.
#define DOM_MAX_TIMEOUT_VALUE DELAY_INTERVAL_LIMIT
#define MEMORY_PRESSURE_OBSERVER_TOPIC "memory-pressure"
// The interval at which we execute idle callbacks
static uint32_t gThrottledIdlePeriodLength;
@ -1525,6 +1527,8 @@ nsGlobalWindow::nsGlobalWindow(nsGlobalWindow *aOuterWindow)
// Watch for dom-storage2-changed so we can fire storage
// events. Use a strong reference.
os->AddObserver(mObserver, "dom-storage2-changed", false);
os->AddObserver(mObserver, MEMORY_PRESSURE_OBSERVER_TOPIC, false);
}
Preferences::AddStrongObserver(mObserver, "intl.accept_languages");
@ -1840,6 +1844,7 @@ nsGlobalWindow::CleanUp()
if (os) {
os->RemoveObserver(mObserver, NS_IOSERVICE_OFFLINE_STATUS_TOPIC);
os->RemoveObserver(mObserver, "dom-storage2-changed");
os->RemoveObserver(mObserver, MEMORY_PRESSURE_OBSERVER_TOPIC);
}
if (mIdleService) {
@ -11702,6 +11707,13 @@ nsGlobalWindow::Observe(nsISupports* aSubject, const char* aTopic,
return NS_OK;
}
if (!nsCRT::strcmp(aTopic, MEMORY_PRESSURE_OBSERVER_TOPIC)) {
if (mPerformance) {
mPerformance->MemoryPressure();
}
return NS_OK;
}
if (!nsCRT::strcmp(aTopic, OBSERVER_TOPIC_IDLE)) {
mCurrentlyIdle = true;
if (IsFrozen()) {