Rename kAnimatingScrollOnMainThread to kHandlingScrollFromMainThread

ui/events/blink/input_handler_proxy_unittest.cc

Index: ui/events/blink/input_handler_proxy_unittest.cc
diff --git a/ui/events/blink/input_handler_proxy_unittest.cc b/ui/events/blink/input_handler_proxy_unittest.cc
index e8eb2cb28ccf42abfb5604e8318700c4620517b0..d258fc22e6914b952043f7acdebdbf8fa33bff68 100644
--- a/ui/events/blink/input_handler_proxy_unittest.cc
+++ b/ui/events/blink/input_handler_proxy_unittest.cc
@@ -2780,7 +2780,7 @@ TEST_P(InputHandlerProxyTest, MainThreadScrollingMouseWheelHistograms) {
       cc::MainThreadScrollingReason::kHasBackgroundAttachmentFixedObjects |
           cc::MainThreadScrollingReason::kThreadedScrollingDisabled |
           cc::MainThreadScrollingReason::kPageOverlay |
-          cc::MainThreadScrollingReason::kAnimatingScrollOnMainThread);
+          cc::MainThreadScrollingReason::kHandlingScrollFromMainThread);
 
   EXPECT_THAT(
       histogram_tester().GetAllSamples("Renderer4.MainThreadWheelScrollReason"),
@@ -2794,7 +2794,7 @@ TEST_P(InputHandlerProxyTest, MainThreadScrollingMouseWheelHistograms) {
   // its own.
   input_handler_->RecordMainThreadScrollingReasonsForTest(
       blink::WebGestureDeviceTouchpad,
-      cc::MainThreadScrollingReason::kAnimatingScrollOnMainThread);
+      cc::MainThreadScrollingReason::kHandlingScrollFromMainThread);
 
   EXPECT_THAT(
       histogram_tester().GetAllSamples("Renderer4.MainThreadWheelScrollReason"),