Use scroll-boundary-behavior to control overscroll-refresh/glow on android.

cc/input/input_handler.h

Index: cc/input/input_handler.h
diff --git a/cc/input/input_handler.h b/cc/input/input_handler.h
index 899aca2c00f4479b6e4359a82ceb02e7a8e0852c..e4c83d4cd41cfdff47e4dab3ab8fcbcab9c2de25 100644
--- a/cc/input/input_handler.h
+++ b/cc/input/input_handler.h
@@ -12,6 +12,7 @@
 #include "cc/cc_export.h"
 #include "cc/input/event_listener_properties.h"
 #include "cc/input/main_thread_scrolling_reason.h"
+#include "cc/input/scroll_boundary_behavior.h"
 #include "cc/input/scroll_state.h"
 #include "cc/input/scrollbar.h"
 #include "cc/input/touch_action.h"
@@ -45,6 +46,9 @@ struct CC_EXPORT InputHandlerScrollResult {
   // The amount of the scroll delta argument to this ScrollBy call that was not
   // used for scrolling.
   gfx::Vector2dF unused_scroll_delta;
+  // How the browser should handle the overscroll navigation based on the css
+  // property scroll-boundary-behavior.
+  ScrollBoundaryBehavior scroll_boundary_behavior;
 };
 
 class CC_EXPORT InputHandlerClient {