mac: History swiping doesn't work right with iframes.

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 47309d4420e11b2bbe41e524571d73b894436936..9f3bf36d0dbd2769995a5cda81b9f07c4b4300c8 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1097,8 +1097,9 @@ void RenderWidgetHostViewAndroid::SetScrollOffsetPinning(
   // intentionally empty, like RenderWidgetHostViewViews
 }
 
-void RenderWidgetHostViewAndroid::UnhandledWheelEvent(
-    const blink::WebMouseWheelEvent& event) {
+void RenderWidgetHostViewAndroid::ProcessedWheelEvent(
+    const blink::WebMouseWheelEvent& event,
+    bool consumed) {
   // intentionally empty, like RenderWidgetHostViewViews
 }