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-rw-r--r--layout/base/nsCSSFrameConstructor.cpp16
-rw-r--r--layout/base/nsDisplayList.cpp99
-rw-r--r--layout/base/nsDisplayList.h39
-rw-r--r--layout/base/nsLayoutUtils.cpp3
-rw-r--r--layout/base/nsPresShell.cpp4
-rw-r--r--layout/base/nsRefreshDriver.cpp38
-rw-r--r--layout/build/nsLayoutCID.h3
-rw-r--r--layout/build/nsLayoutModule.cpp6
-rw-r--r--layout/build/nsLayoutStatics.cpp9
-rw-r--r--layout/forms/nsComboboxControlFrame.cpp3
-rw-r--r--layout/reftests/css-display/display-contents-dyn-insert-text-ref.html7
-rw-r--r--layout/reftests/css-display/display-contents-dyn-insert-text.html16
-rw-r--r--layout/reftests/css-display/reftest.list1
-rw-r--r--layout/style/ImageLoader.cpp3
-rw-r--r--layout/style/nsCSSParser.cpp9
15 files changed, 46 insertions, 210 deletions
diff --git a/layout/base/nsCSSFrameConstructor.cpp b/layout/base/nsCSSFrameConstructor.cpp
index c63374541..07a5b80e7 100644
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -7021,8 +7021,11 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation,
nsIContent* aContainer,
nsIContent* aChild)
{
+ // XXXmats no lazy frames for display:contents direct descendants yet
+ // (Mozilla bug 979782).
if (mPresShell->GetPresContext()->IsChrome() || !aContainer ||
- aContainer->IsInNativeAnonymousSubtree() || aContainer->IsXULElement()) {
+ aContainer->IsInNativeAnonymousSubtree() || aContainer->IsXULElement() ||
+ GetDisplayContentsStyleFor(aContainer)) {
return false;
}
@@ -7056,6 +7059,10 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation,
// ignore anonymous children (eg framesets) make this complicated. So we set
// these two booleans if we encounter these situations and unset them if we
// hit a node with a leaf frame.
+ //
+ // Also, it's fine if one of the nodes without primary frame is a display:
+ // contents node except if it's the direct ancestor of the children we're
+ // recreating frames for.
bool noPrimaryFrame = false;
bool needsFrameBitSet = false;
#endif
@@ -7065,17 +7072,14 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation,
if (content->GetPrimaryFrame() && content->GetPrimaryFrame()->IsLeaf()) {
noPrimaryFrame = needsFrameBitSet = false;
}
- if (!noPrimaryFrame && !content->GetPrimaryFrame()) {
+ if (!noPrimaryFrame && !content->GetPrimaryFrame() &&
+ !GetDisplayContentsStyleFor(content)) {
noPrimaryFrame = true;
}
if (!needsFrameBitSet && content->HasFlag(NODE_NEEDS_FRAME)) {
needsFrameBitSet = true;
}
#endif
- // XXXmats no lazy frames for display:contents descendants yet (bug 979782).
- if (GetDisplayContentsStyleFor(content)) {
- return false;
- }
content->SetFlags(NODE_DESCENDANTS_NEED_FRAMES);
content = content->GetFlattenedTreeParent();
}
diff --git a/layout/base/nsDisplayList.cpp b/layout/base/nsDisplayList.cpp
index 2bf20144a..2b9ad7ff8 100644
--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -61,7 +61,6 @@
#include "mozilla/OperatorNewExtensions.h"
#include "mozilla/PendingAnimationTracker.h"
#include "mozilla/Preferences.h"
-#include "mozilla/Telemetry.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/Unused.h"
#include "mozilla/gfx/gfxVars.h"
@@ -1857,7 +1856,6 @@ already_AddRefed<LayerManager> nsDisplayList::PaintRoot(nsDisplayListBuilder* aB
RefPtr<ContainerLayer> root;
{
- PaintTelemetry::AutoRecord record(PaintTelemetry::Metric::Layerization);
root = layerBuilder->
BuildContainerLayerFor(aBuilder, layerManager, frame, nullptr, this,
containerParameters, nullptr);
@@ -7453,100 +7451,3 @@ nsDisplayFilter::PrintEffects(nsACString& aTo)
aTo += ")";
}
#endif
-
-namespace mozilla {
-
-uint32_t PaintTelemetry::sPaintLevel = 0;
-uint32_t PaintTelemetry::sMetricLevel = 0;
-EnumeratedArray<PaintTelemetry::Metric,
- PaintTelemetry::Metric::COUNT,
- double> PaintTelemetry::sMetrics;
-
-PaintTelemetry::AutoRecordPaint::AutoRecordPaint()
-{
- // Don't record nested paints.
- if (sPaintLevel++ > 0) {
- return;
- }
-
- // Reset metrics for a new paint.
- for (auto& metric : sMetrics) {
- metric = 0.0;
- }
- mStart = TimeStamp::Now();
-}
-
-PaintTelemetry::AutoRecordPaint::~AutoRecordPaint()
-{
- MOZ_ASSERT(sPaintLevel != 0);
- if (--sPaintLevel > 0) {
- return;
- }
-
- // If we're in multi-process mode, don't include paint times for the parent
- // process.
- if (gfxVars::BrowserTabsRemoteAutostart() && XRE_IsParentProcess()) {
- return;
- }
-
- double totalMs = (TimeStamp::Now() - mStart).ToMilliseconds();
-
- // If the total time was >= 16ms, then it's likely we missed a frame due to
- // painting. In this case we'll gather some detailed metrics below.
- if (totalMs <= 16.0) {
- return;
- }
-
- auto record = [=](const char* aKey, double aDurationMs) -> void {
- MOZ_ASSERT(aDurationMs <= totalMs);
-
- uint32_t amount = static_cast<int32_t>((aDurationMs / totalMs) * 100.0);
- };
-
- double dlMs = sMetrics[Metric::DisplayList];
- double flbMs = sMetrics[Metric::Layerization];
- double rMs = sMetrics[Metric::Rasterization];
-
- // Record all permutations since aggregation makes it difficult to
- // correlate. For example we can't derive "flb+r" from "dl" because we
- // don't know the total time associated with a bucket entry. So we just
- // play it safe and include everything. We can however derive "other" time
- // from the final permutation.
- record("dl", dlMs);
- record("flb", flbMs);
- record("r", rMs);
- record("dl,flb", dlMs + flbMs);
- record("dl,r", dlMs + rMs);
- record("flb,r", flbMs + rMs);
- record("dl,flb,r", dlMs + flbMs + rMs);
-}
-
-PaintTelemetry::AutoRecord::AutoRecord(Metric aMetric)
- : mMetric(aMetric)
-{
- // Don't double-record anything nested.
- if (sMetricLevel++ > 0) {
- return;
- }
-
- // Don't record inside nested paints, or outside of paints.
- if (sPaintLevel != 1) {
- return;
- }
-
- mStart = TimeStamp::Now();
-}
-
-PaintTelemetry::AutoRecord::~AutoRecord()
-{
- MOZ_ASSERT(sMetricLevel != 0);
-
- sMetricLevel--;
- if (mStart.IsNull()) {
- return;
- }
-
- sMetrics[mMetric] += (TimeStamp::Now() - mStart).ToMilliseconds();
-}
-
-} // namespace mozilla
diff --git a/layout/base/nsDisplayList.h b/layout/base/nsDisplayList.h
index df584b489..9603a95b8 100644
--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -4508,43 +4508,4 @@ public:
mutable mozilla::Maybe<bool> mIsFrameSelected;
};
-namespace mozilla {
-
-class PaintTelemetry
-{
- public:
- enum class Metric {
- DisplayList,
- Layerization,
- Rasterization,
- COUNT,
- };
-
- class AutoRecord
- {
- public:
- explicit AutoRecord(Metric aMetric);
- ~AutoRecord();
- private:
- Metric mMetric;
- mozilla::TimeStamp mStart;
- };
-
- class AutoRecordPaint
- {
- public:
- AutoRecordPaint();
- ~AutoRecordPaint();
- private:
- mozilla::TimeStamp mStart;
- };
-
- private:
- static uint32_t sPaintLevel;
- static uint32_t sMetricLevel;
- static mozilla::EnumeratedArray<Metric, Metric::COUNT, double> sMetrics;
-};
-
-} // namespace mozilla
-
#endif /*NSDISPLAYLIST_H_*/
diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index c1f4ad372..19200d5a7 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -111,7 +111,6 @@
#include "FrameLayerBuilder.h"
#include "mozilla/layers/APZCTreeManager.h"
#include "mozilla/layers/CompositorBridgeChild.h"
-#include "mozilla/Telemetry.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/RuleNodeCacheConditions.h"
@@ -3534,8 +3533,6 @@ nsLayoutUtils::PaintFrame(nsRenderingContext* aRenderingContext, nsIFrame* aFram
PROFILER_LABEL("nsLayoutUtils", "PaintFrame::BuildDisplayList",
js::ProfileEntry::Category::GRAPHICS);
-
- PaintTelemetry::AutoRecord record(PaintTelemetry::Metric::DisplayList);
aFrame->BuildDisplayListForStackingContext(&builder, dirtyRect, &list);
}
diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 340042b46..969ebc962 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -170,7 +170,6 @@
#include "mozilla/css/ImageLoader.h"
#include "mozilla/dom/DocumentTimeline.h"
#include "mozilla/Preferences.h"
-#include "mozilla/Telemetry.h"
#include "nsCanvasFrame.h"
#include "nsIImageLoadingContent.h"
#include "nsImageFrame.h"
@@ -9394,9 +9393,6 @@ PresShell::DoVerifyReflow()
}
#endif
-// used with Telemetry metrics
-#define NS_LONG_REFLOW_TIME_MS 5000
-
bool
PresShell::ProcessReflowCommands(bool aInterruptible)
{
diff --git a/layout/base/nsRefreshDriver.cpp b/layout/base/nsRefreshDriver.cpp
index b975a69dd..5ea7a0188 100644
--- a/layout/base/nsRefreshDriver.cpp
+++ b/layout/base/nsRefreshDriver.cpp
@@ -55,7 +55,6 @@
#include "nsDocShell.h"
#include "nsISimpleEnumerator.h"
#include "nsJSEnvironment.h"
-#include "mozilla/Telemetry.h"
#include "gfxPrefs.h"
#include "BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
@@ -524,46 +523,10 @@ private:
private:
~RefreshDriverVsyncObserver() = default;
- void RecordTelemetryProbes(TimeStamp aVsyncTimestamp)
- {
- MOZ_ASSERT(NS_IsMainThread());
- #ifndef ANDROID /* bug 1142079 */
- if (XRE_IsParentProcess()) {
- TimeDuration vsyncLatency = TimeStamp::Now() - aVsyncTimestamp;
- uint32_t sample = (uint32_t)vsyncLatency.ToMilliseconds();
- RecordJank(sample);
- } else if (mVsyncRate != TimeDuration::Forever()) {
- TimeDuration contentDelay = (TimeStamp::Now() - mLastChildTick) - mVsyncRate;
- if (contentDelay.ToMilliseconds() < 0 ){
- // Vsyncs are noisy and some can come at a rate quicker than
- // the reported hardware rate. In those cases, consider that we have 0 delay.
- contentDelay = TimeDuration::FromMilliseconds(0);
- }
- uint32_t sample = (uint32_t)contentDelay.ToMilliseconds();
- RecordJank(sample);
- } else {
- // Request the vsync rate from the parent process. Might be a few vsyncs
- // until the parent responds.
- mVsyncRate = mVsyncRefreshDriverTimer->mVsyncChild->GetVsyncRate();
- }
- #endif
- }
-
- void RecordJank(uint32_t aJankMS)
- {
- uint32_t duration = 1 /* ms */;
- for (size_t i = 0;
- i < mozilla::ArrayLength(sJankLevels) && duration < aJankMS;
- ++i, duration *= 2) {
- sJankLevels[i]++;
- }
- }
-
void TickRefreshDriver(TimeStamp aVsyncTimestamp)
{
MOZ_ASSERT(NS_IsMainThread());
- RecordTelemetryProbes(aVsyncTimestamp);
if (XRE_IsParentProcess()) {
MonitorAutoLock lock(mRefreshTickLock);
aVsyncTimestamp = mRecentVsync;
@@ -2006,7 +1969,6 @@ nsRefreshDriver::Tick(int64_t aNowEpoch, TimeStamp aNowTime)
mViewManagerFlushIsPending = false;
RefPtr<nsViewManager> vm = mPresContext->GetPresShell()->GetViewManager();
{
- PaintTelemetry::AutoRecordPaint record;
vm->ProcessPendingUpdates();
}
diff --git a/layout/build/nsLayoutCID.h b/layout/build/nsLayoutCID.h
index 47a90d7d8..1b43c7592 100644
--- a/layout/build/nsLayoutCID.h
+++ b/layout/build/nsLayoutCID.h
@@ -82,7 +82,4 @@
#define SERVICEWORKERMANAGER_CID \
{ 0xc74bde32, 0xbcc7, 0x4840, { 0x84, 0x30, 0xc7, 0x33, 0x35, 0x1b, 0x21, 0x2a } }
-#define NOTIFICATIONTELEMETRYSERVICE_CID \
-{ 0x5995b782, 0x6a0e, 0x4066, { 0xaa, 0xc5, 0x27, 0x6f, 0x0a, 0x9a, 0xd8, 0xcf } }
-
#endif /* nsLayoutCID_h__ */
diff --git a/layout/build/nsLayoutModule.cpp b/layout/build/nsLayoutModule.cpp
index 748bc11d8..8bb70f85c 100644
--- a/layout/build/nsLayoutModule.cpp
+++ b/layout/build/nsLayoutModule.cpp
@@ -204,7 +204,6 @@ using mozilla::dom::UDPSocketChild;
using mozilla::dom::time::TimeService;
using mozilla::net::StreamingProtocolControllerService;
using mozilla::gmp::GeckoMediaPluginService;
-using mozilla::dom::NotificationTelemetryService;
#define NS_EDITORCOMMANDTABLE_CID \
{ 0x4f5e62b8, 0xd659, 0x4156, \
@@ -292,7 +291,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(TextInputProcessor)
NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsIPresentationService,
NS_CreatePresentationService)
NS_GENERIC_FACTORY_CONSTRUCTOR(PresentationTCPSessionTransport)
-NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(NotificationTelemetryService, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR(PushNotifier)
//-----------------------------------------------------------------------------
@@ -657,7 +655,6 @@ NS_DEFINE_NAMED_CID(NS_TEXTEDITOR_CID);
NS_DEFINE_NAMED_CID(DOMREQUEST_SERVICE_CID);
NS_DEFINE_NAMED_CID(QUOTAMANAGER_SERVICE_CID);
NS_DEFINE_NAMED_CID(SERVICEWORKERMANAGER_CID);
-NS_DEFINE_NAMED_CID(NOTIFICATIONTELEMETRYSERVICE_CID);
NS_DEFINE_NAMED_CID(PUSHNOTIFIER_CID);
NS_DEFINE_NAMED_CID(WORKERDEBUGGERMANAGER_CID);
@@ -925,7 +922,6 @@ static const mozilla::Module::CIDEntry kLayoutCIDs[] = {
{ &kDOMREQUEST_SERVICE_CID, false, nullptr, DOMRequestServiceConstructor },
{ &kQUOTAMANAGER_SERVICE_CID, false, nullptr, QuotaManagerServiceConstructor },
{ &kSERVICEWORKERMANAGER_CID, false, nullptr, ServiceWorkerManagerConstructor },
- { &kNOTIFICATIONTELEMETRYSERVICE_CID, false, nullptr, NotificationTelemetryServiceConstructor },
{ &kPUSHNOTIFIER_CID, false, nullptr, PushNotifierConstructor },
{ &kWORKERDEBUGGERMANAGER_CID, true, nullptr, WorkerDebuggerManagerConstructor },
{ &kNS_AUDIOCHANNELAGENT_CID, true, nullptr, AudioChannelAgentConstructor },
@@ -1057,7 +1053,6 @@ static const mozilla::Module::ContractIDEntry kLayoutContracts[] = {
{ DOMREQUEST_SERVICE_CONTRACTID, &kDOMREQUEST_SERVICE_CID },
{ QUOTAMANAGER_SERVICE_CONTRACTID, &kQUOTAMANAGER_SERVICE_CID },
{ SERVICEWORKERMANAGER_CONTRACTID, &kSERVICEWORKERMANAGER_CID },
- { NOTIFICATIONTELEMETRYSERVICE_CONTRACTID, &kNOTIFICATIONTELEMETRYSERVICE_CID },
{ PUSHNOTIFIER_CONTRACTID, &kPUSHNOTIFIER_CID },
{ WORKERDEBUGGERMANAGER_CONTRACTID, &kWORKERDEBUGGERMANAGER_CID },
{ NS_AUDIOCHANNELAGENT_CONTRACTID, &kNS_AUDIOCHANNELAGENT_CID },
@@ -1132,7 +1127,6 @@ static const mozilla::Module::CategoryEntry kLayoutCategories[] = {
CONTENTDLF_CATEGORIES
{ "profile-after-change", "PresentationDeviceManager", PRESENTATION_DEVICE_MANAGER_CONTRACTID },
{ "profile-after-change", "PresentationService", PRESENTATION_SERVICE_CONTRACTID },
- { "profile-after-change", "Notification Telemetry Service", NOTIFICATIONTELEMETRYSERVICE_CONTRACTID },
{ nullptr }
};
diff --git a/layout/build/nsLayoutStatics.cpp b/layout/build/nsLayoutStatics.cpp
index 0306626c4..0f4560afe 100644
--- a/layout/build/nsLayoutStatics.cpp
+++ b/layout/build/nsLayoutStatics.cpp
@@ -92,10 +92,6 @@
#include "nsSynthVoiceRegistry.h"
#endif
-#ifdef MOZ_ANDROID_OMX
-#include "AndroidMediaPluginHost.h"
-#endif
-
#include "CubebUtils.h"
#include "Latency.h"
#include "WebAudioUtils.h"
@@ -381,11 +377,6 @@ nsLayoutStatics::Shutdown()
nsAutoCopyListener::Shutdown();
FrameLayerBuilder::Shutdown();
-
-#ifdef MOZ_ANDROID_OMX
- AndroidMediaPluginHost::Shutdown();
-#endif
-
CubebUtils::ShutdownLibrary();
AsyncLatencyLogger::ShutdownLogger();
WebAudioUtils::Shutdown();
diff --git a/layout/forms/nsComboboxControlFrame.cpp b/layout/forms/nsComboboxControlFrame.cpp
index f69198cc7..5a9438939 100644
--- a/layout/forms/nsComboboxControlFrame.cpp
+++ b/layout/forms/nsComboboxControlFrame.cpp
@@ -1040,6 +1040,9 @@ nsComboboxControlFrame::HandleRedisplayTextEvent()
mRedisplayTextEvent.Forget();
ActuallyDisplayText(true);
+ if (!weakThis.IsAlive())
+ return;
+
// XXXbz This should perhaps be eResize. Check.
PresContext()->PresShell()->FrameNeedsReflow(mDisplayFrame,
nsIPresShell::eStyleChange,
diff --git a/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html b/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html
new file mode 100644
index 000000000..a212e025e
--- /dev/null
+++ b/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html
@@ -0,0 +1,7 @@
+<!doctype html>
+<meta charset="utf-8">
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<title>CSS Test reference - Bug 1338678</title>
+<div style="display: contents">
+ <div id="element">PASS</div>
+</div>
diff --git a/layout/reftests/css-display/display-contents-dyn-insert-text.html b/layout/reftests/css-display/display-contents-dyn-insert-text.html
new file mode 100644
index 000000000..f3b0c0c95
--- /dev/null
+++ b/layout/reftests/css-display/display-contents-dyn-insert-text.html
@@ -0,0 +1,16 @@
+<!doctype html>
+<meta charset="utf-8">
+<link rel="author" title="Markus Stange" href="mailto:mstange@themasta.com">
+<link rel="help" href="https://drafts.csswg.org/css-display/#box-generation">
+<title>Bug 1338678 - display:contents makes textContent disappear</title>
+<div style="display: contents">
+ <div id="element"></div>
+</div>
+<script>
+window.onload = function() {
+ document.body.offsetTop;
+ var element = document.getElementById('element');
+ element.textContent = "FAIL";
+ element.textContent = "PASS";
+}
+</script>
diff --git a/layout/reftests/css-display/reftest.list b/layout/reftests/css-display/reftest.list
index d310422bb..00f46a80b 100644
--- a/layout/reftests/css-display/reftest.list
+++ b/layout/reftests/css-display/reftest.list
@@ -24,5 +24,6 @@ skip pref(layout.css.display-contents.enabled,true) == display-contents-xbl-4.xu
asserts(0-1) fuzzy-if(Android,8,3216) pref(layout.css.display-contents.enabled,true) == display-contents-fieldset.html display-contents-fieldset-ref.html # bug 1089223
asserts(1) pref(layout.css.display-contents.enabled,true) == display-contents-xbl-5.xul display-contents-xbl-3-ref.xul # bug 1089223
pref(layout.css.display-contents.enabled,true) == display-contents-list-item-child.html display-contents-list-item-child-ref.html
+pref(layout.css.display-contents.enabled,true) == display-contents-dyn-insert-text.html display-contents-dyn-insert-text-ref.html
pref(layout.css.display-contents.enabled,true) == display-contents-writing-mode-1.html display-contents-writing-mode-1-ref.html
pref(layout.css.display-contents.enabled,true) == display-contents-writing-mode-2.html display-contents-writing-mode-2-ref.html
diff --git a/layout/style/ImageLoader.cpp b/layout/style/ImageLoader.cpp
index 0a605abc9..a26a1741a 100644
--- a/layout/style/ImageLoader.cpp
+++ b/layout/style/ImageLoader.cpp
@@ -519,9 +519,6 @@ ImageLoader::FlushUseCounters()
nsCOMPtr<imgIContainer> container;
request->GetImage(getter_AddRefs(container));
- if (container) {
- static_cast<image::Image*>(container.get())->ReportUseCounters();
- }
}
}
diff --git a/layout/style/nsCSSParser.cpp b/layout/style/nsCSSParser.cpp
index b361cf0c2..736c66f87 100644
--- a/layout/style/nsCSSParser.cpp
+++ b/layout/style/nsCSSParser.cpp
@@ -1549,6 +1549,9 @@ protected:
// All data from successfully parsed properties are placed into |mData|.
nsCSSExpandedDataBlock mData;
+
+ // Value to make sure our resolved variable results stay within sane limits.
+ const uint32_t MAX_CSS_VAR_LENGTH = 10240;
public:
// Used from nsCSSParser constructors and destructors
@@ -2802,6 +2805,12 @@ CSSParserImpl::ResolveValueWithVariableReferencesRec(
// Invalid variable with no fallback.
return false;
}
+ // Make sure we are still using sane sizes for value and
+ // variableValue, and abort if OOB.
+ if (value.Length() > MAX_CSS_VAR_LENGTH ||
+ variableValue.Length() > MAX_CSS_VAR_LENGTH) {
+ return false;
+ }
// Valid variable with no fallback.
AppendTokens(value, valueFirstToken, valueLastToken,
varFirstToken, varLastToken, variableValue);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-22 15:49:53 +0000