Intersection Observer support for OOPIF

content/renderer/render_frame_proxy.cc

Index: content/renderer/render_frame_proxy.cc
diff --git a/content/renderer/render_frame_proxy.cc b/content/renderer/render_frame_proxy.cc
index fbb1c1718cdb1a5324ae325281e31f5b24d346c7..2c0c45e6669fc082f5869a6c9d0e9fdf9caa6c65 100644
--- a/content/renderer/render_frame_proxy.cc
+++ b/content/renderer/render_frame_proxy.cc
@@ -30,6 +30,7 @@
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebFeaturePolicy.h"
+#include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
@@ -492,6 +493,12 @@ void RenderFrameProxy::frameRectsChanged(const blink::WebRect& frame_rect) {
   Send(new FrameHostMsg_FrameRectChanged(routing_id_, rect));
 }
 
+void RenderFrameProxy::updateRemoteViewportIntersection(
+    const blink::WebRect& viewportIntersection) {
+  Send(new FrameHostMsg_UpdateViewportIntersection(
+      routing_id_, gfx::Rect(viewportIntersection)));
+}
+
 void RenderFrameProxy::visibilityChanged(bool visible) {
   Send(new FrameHostMsg_VisibilityChanged(routing_id_, visible));
 }