1 files changed, 0 insertions, 38 deletions

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();
     }