Add support for touch-action: manipulation

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 198d7d4cdfeef0e149fe91ac495c13cadc3f0f95..09847dbc248c8924f03f9a942704ce2813b72a04 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -2719,6 +2719,10 @@ void RenderWidget::setTouchAction(
    COMPILE_ASSERT(static_cast<blink::WebTouchAction>(TOUCH_ACTION_PAN_Y) ==
                       blink::WebTouchActionPanY,
                   enum_values_must_match_for_touch_action);
+   COMPILE_ASSERT(
+       static_cast<blink::WebTouchAction>(TOUCH_ACTION_PINCH_ZOOM) ==
+           blink::WebTouchActionPinchZoom,
+       enum_values_must_match_for_touch_action);
 
    content::TouchAction content_touch_action =
        static_cast<content::TouchAction>(web_touch_action);