Initial scroll-blocks-on compositor integration

Source/core/rendering/style/RenderStyleConstants.h

Index: Source/core/rendering/style/RenderStyleConstants.h
diff --git a/Source/core/rendering/style/RenderStyleConstants.h b/Source/core/rendering/style/RenderStyleConstants.h
index 81e52cf2b667074151abc3dc7bb5162a060a08d5..3b58142078cbc18d7a237dbfb9e8112e7b6a3f84 100644
--- a/Source/core/rendering/style/RenderStyleConstants.h
+++ b/Source/core/rendering/style/RenderStyleConstants.h
@@ -505,17 +505,6 @@ inline TouchAction& operator&= (TouchAction& a, TouchAction b) { return a = a &
 
 enum EIsolation { IsolationAuto, IsolationIsolate };
 
-enum ScrollBlocksOn {
-    ScrollBlocksOnNone = 0x0,
-    ScrollBlocksOnStartTouch = 0x1,
-    ScrollBlocksOnWheelEvent = 0x2,
-    ScrollBlocksOnScrollEvent = 0x4,
-};
-inline ScrollBlocksOn operator| (ScrollBlocksOn a, ScrollBlocksOn b) { return ScrollBlocksOn(int(a) | int(b)); }
-inline ScrollBlocksOn& operator|= (ScrollBlocksOn& a, ScrollBlocksOn b) { return a = a | b; }
-inline ScrollBlocksOn operator& (ScrollBlocksOn a, ScrollBlocksOn b) { return ScrollBlocksOn(int(a) & int(b)); }
-inline ScrollBlocksOn& operator&= (ScrollBlocksOn& a, ScrollBlocksOn b) { return a = a & b; }
-
 enum ItemPosition {
     ItemPositionAuto,
     ItemPositionStretch,