Remove GraphicsLayer::didScroll and directly call ScrollableArea::didScroll

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

Index: third_party/WebKit/Source/web/tests/WebFrameTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
index 8dbb764e02a91c94300c067140e9bc8f9270da32..323c5446e52615cd889c4cdd39b449f7dbedc1b6 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
@@ -6769,7 +6769,8 @@ TEST_F(WebFrameTest, CompositorScrollIsUserScrollLongPage) {
   // Do a compositor scroll, verify that this is counted as a user scroll.
   frameViewLayer->platformLayer()->setScrollPositionDouble(
       WebDoublePoint(0, 1));
-  frameViewLayer->didScroll();
+  auto* scrollableArea = frameImpl->frameView()->layoutViewportScrollableArea();
+  scrollableArea->didScroll(gfx::ScrollOffset(0, 1));
   webViewHelper.webView()->applyViewportDeltas(WebFloatSize(), WebFloatSize(),
                                                WebFloatSize(), 1.7f, 0);
   EXPECT_TRUE(client.wasFrameScrolled());
@@ -6781,7 +6782,7 @@ TEST_F(WebFrameTest, CompositorScrollIsUserScrollLongPage) {
   // The page scale 1.0f and scroll.
   frameViewLayer->platformLayer()->setScrollPositionDouble(
       WebDoublePoint(0, 2));
-  frameViewLayer->didScroll();
+  scrollableArea->didScroll(gfx::ScrollOffset(0, 2));
   webViewHelper.webView()->applyViewportDeltas(WebFloatSize(), WebFloatSize(),
                                                WebFloatSize(), 1.0f, 0);
   EXPECT_TRUE(client.wasFrameScrolled());
@@ -6790,7 +6791,7 @@ TEST_F(WebFrameTest, CompositorScrollIsUserScrollLongPage) {
   initialScrollState.wasScrolledByUser = false;
 
   // No scroll event if there is no scroll delta.
-  frameViewLayer->didScroll();
+  scrollableArea->didScroll(gfx::ScrollOffset(0, 2));
   webViewHelper.webView()->applyViewportDeltas(WebFloatSize(), WebFloatSize(),
                                                WebFloatSize(), 1.0f, 0);
   EXPECT_FALSE(client.wasFrameScrolled());
@@ -6800,7 +6801,7 @@ TEST_F(WebFrameTest, CompositorScrollIsUserScrollLongPage) {
   // Non zero page scale and scroll.
   frameViewLayer->platformLayer()->setScrollPositionDouble(
       WebDoublePoint(9, 15));
-  frameViewLayer->didScroll();
+  scrollableArea->didScroll(gfx::ScrollOffset(9, 15));
   webViewHelper.webView()->applyViewportDeltas(WebFloatSize(), WebFloatSize(),
                                                WebFloatSize(), 0.6f, 0);
   EXPECT_TRUE(client.wasFrameScrolled());