LayoutBox::scrollRectToVisible doesn't respect overflow:hidden property.

third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp

Index: third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
diff --git a/third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp b/third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
index 19a06dfba58c237acb4016ba6e181f215f230bac..b65cf35341d876d21b4ae21cec46dac915a94989 100644
--- a/third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
+++ b/third_party/WebKit/Source/core/paint/DeprecatedPaintLayerScrollableArea.cpp
@@ -638,13 +638,13 @@ void DeprecatedPaintLayerScrollableArea::computeScrollDimensions()
     setScrollOrigin(IntPoint(-scrollableLeftOverflow, -scrollableTopOverflow));
 }
 
-void DeprecatedPaintLayerScrollableArea::scrollToPosition(const DoublePoint& scrollPosition, ScrollOffsetClamping clamp, ScrollBehavior scrollBehavior)
+void DeprecatedPaintLayerScrollableArea::scrollToPosition(const DoublePoint& scrollPosition, ScrollOffsetClamping clamp, ScrollBehavior scrollBehavior, ScrollType scrollType)
 {
     cancelProgrammaticScrollAnimation();
 
     DoublePoint newScrollPosition = clamp == ScrollOffsetClamped ? clampScrollPosition(scrollPosition) : scrollPosition;
     if (newScrollPosition != scrollPositionDouble())
-        ScrollableArea::setScrollPosition(newScrollPosition, ProgrammaticScroll, scrollBehavior);
+        ScrollableArea::setScrollPosition(newScrollPosition, scrollType, scrollBehavior);
 }
 
 void DeprecatedPaintLayerScrollableArea::updateScrollDimensions(DoubleSize& scrollOffset, bool& autoHorizontalScrollBarChanged, bool& autoVerticalScrollBarChanged)
@@ -1351,7 +1351,7 @@ void DeprecatedPaintLayerScrollableArea::resize(const PlatformEvent& evt, const
     // FIXME (Radar 4118564): We should also autoscroll the window as necessary to keep the point under the cursor in view.
 }
 
-LayoutRect DeprecatedPaintLayerScrollableArea::scrollIntoView(const LayoutRect& rect, const ScrollAlignment& alignX, const ScrollAlignment& alignY)
+LayoutRect DeprecatedPaintLayerScrollableArea::scrollIntoView(const LayoutRect& rect, const ScrollAlignment& alignX, const ScrollAlignment& alignY, ScrollType scrollType)
 {
     LayoutRect localExposeRect(box().absoluteToLocalQuad(FloatQuad(FloatRect(rect)), UseTransforms).boundingBox());
     localExposeRect.move(-box().borderLeft(), -box().borderTop());
@@ -1363,7 +1363,7 @@ LayoutRect DeprecatedPaintLayerScrollableArea::scrollIntoView(const LayoutRect&
         return rect;
 
     DoubleSize oldScrollOffset = adjustedScrollOffset();
-    scrollToPosition(clampedScrollPosition);
+    scrollToPosition(clampedScrollPosition, ScrollOffsetUnclamped, ScrollBehaviorInstant, scrollType);
     DoubleSize scrollOffsetDifference = adjustedScrollOffset() - oldScrollOffset;
     localExposeRect.move(-LayoutSize(scrollOffsetDifference));
     return LayoutRect(box().localToAbsoluteQuad(FloatQuad(FloatRect(localExposeRect)), UseTransforms).boundingBox());