Use float for scroll offset.

third_party/WebKit/Source/core/page/Page.cpp

Index: third_party/WebKit/Source/core/page/Page.cpp
diff --git a/third_party/WebKit/Source/core/page/Page.cpp b/third_party/WebKit/Source/core/page/Page.cpp
index abd08205db45e514c2ced9ed8c1ce2324f4f468f..b1461b5966c8a148c13dc6411de98a8c034a8389 100644
--- a/third_party/WebKit/Source/core/page/Page.cpp
+++ b/third_party/WebKit/Source/core/page/Page.cpp
@@ -460,8 +460,8 @@ void Page::didCommitLoad(LocalFrame* frame) {
     // Need to reset visual viewport position here since before commit load we would update the previous history item,
     // Page::didCommitLoad is called after a new history item is created in FrameLoader.
     // fix for crbug.com/642279
-    frameHost().visualViewport().setScrollPosition(DoublePoint(),
-                                                   ProgrammaticScroll);
+    frameHost().visualViewport().setScrollOffset(ScrollOffset(),
+                                                 ProgrammaticScroll);
     m_hostsUsingFeatures.updateMeasurementsAndClear();
     UserGestureIndicator::clearProcessedUserGestureSinceLoad();
   }