Rename kAnimatingScrollOnMainThread to kHandlingScrollFromMainThread

third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp

Index: third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp
diff --git a/third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp b/third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp
index 56021998d5cf2b2e34a0f0b3a0fe154ba1a9e0bf..364765f85b02268e8e5f9680ddc95035ce66028b 100644
--- a/third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp
+++ b/third_party/WebKit/Source/platform/scroll/ScrollAnimator.cpp
@@ -383,7 +383,7 @@ void ScrollAnimator::addMainThreadScrollingReason()
 {
     if (WebLayer* scrollLayer = toWebLayer(getScrollableArea()->layerForScrolling())) {
         scrollLayer->addMainThreadScrollingReasons(
-            MainThreadScrollingReason::kAnimatingScrollOnMainThread);
+            MainThreadScrollingReason::kHandlingScrollFromMainThread);
     }
 }
 
@@ -391,7 +391,7 @@ void ScrollAnimator::removeMainThreadScrollingReason()
 {
     if (WebLayer* scrollLayer = toWebLayer(getScrollableArea()->layerForScrolling())) {
         scrollLayer->clearMainThreadScrollingReasons(
-            MainThreadScrollingReason::kAnimatingScrollOnMainThread);
+            MainThreadScrollingReason::kHandlingScrollFromMainThread);
     }
 }