Use float for scroll offset.

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

Index: third_party/WebKit/Source/web/tests/ScrollingCoordinatorTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/ScrollingCoordinatorTest.cpp b/third_party/WebKit/Source/web/tests/ScrollingCoordinatorTest.cpp
index d6af90b93c2f8fbe084e48e38286cc1b4d3ff0e6..22f118015e43509d299352137d605688acc7c817 100644
--- a/third_party/WebKit/Source/web/tests/ScrollingCoordinatorTest.cpp
+++ b/third_party/WebKit/Source/web/tests/ScrollingCoordinatorTest.cpp
@@ -210,8 +210,8 @@ TEST_F(ScrollingCoordinatorTest, fastFractionalScrollingDiv) {
   WebLayer* webScrollLayer =
       compositedLayerMapping->scrollingContentsLayer()->platformLayer();
   ASSERT_TRUE(webScrollLayer);
-  ASSERT_NEAR(1.2, webScrollLayer->scrollPositionDouble().x, 0.01);
-  ASSERT_NEAR(1.2, webScrollLayer->scrollPositionDouble().y, 0.01);
+  ASSERT_NEAR(1.2f, webScrollLayer->scrollOffset().width, 0.01f);
+  ASSERT_NEAR(1.2f, webScrollLayer->scrollOffset().height, 0.01f);
 
   RuntimeEnabledFeatures::setFractionalScrollOffsetsEnabled(
       origFractionalOffsetsEnabled);
@@ -603,7 +603,7 @@ TEST_F(ScrollingCoordinatorTest, rtlIframe) {
   int expectedScrollPosition =
       958 +
       (innerFrameView->verticalScrollbar()->isOverlayScrollbar() ? 0 : 15);
-  ASSERT_EQ(expectedScrollPosition, webScrollLayer->scrollPositionDouble().x);
+  ASSERT_EQ(expectedScrollPosition, webScrollLayer->scrollOffset().width);
 }
 
 TEST_F(ScrollingCoordinatorTest, setupScrollbarLayerShouldNotCrash) {