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-rw-r--r--cc/trees/layer_tree_host_impl.cc6
-rw-r--r--tools/metrics/histograms/histograms.xml5
2 files changed, 5 insertions, 6 deletions
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 12cc09c..9443c9a 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -2643,9 +2643,6 @@ InputHandler::ScrollStatus LayerTreeHostImpl::ScrollBeginImpl(
client_->RenewTreePriority();
RecordCompositorSlowScrollMetric(type, CC_THREAD);
- // TODO(lanwei): Will remove this metric in M50 when we have used the new
- // metrics for one milestone, see https://crbug.com/557787.
- UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", false);
return scroll_status;
}
@@ -2702,9 +2699,6 @@ InputHandler::ScrollStatus LayerTreeHostImpl::ScrollBegin(
if (scroll_on_main_thread) {
RecordCompositorSlowScrollMetric(type, MAIN_THREAD);
- // TODO(lanwei): Will remove this metric in M50 when we have used the new
- // metrics for one milestone, see https://crbug.com/557787.
- UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", true);
scroll_status.thread = SCROLL_ON_MAIN_THREAD;
return scroll_status;
}
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 8a6d9bf..d3a375b 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -53015,6 +53015,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</histogram>
<histogram name="TryScroll.SlowScroll" enum="ScrollThread">
+ <obsolete>
+ Deprecated 02/2016 in Issue 1741103002, and replaced by
+ Renderer4.CompositorWheelScrollUpdateThread and
+ Renderer4.CompositorTouchScrollUpdateThread.
+ </obsolete>
<owner>tdresser@chromium.org</owner>
<summary>Whether a scroll is executed on main thread.</summary>
</histogram>