Intersection Observer support for OOPIF

content/renderer/render_frame_proxy.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_frame_proxy.h"
 
 #include <stdint.h>
 #include <map>
 #include <utility>
 
@@ skipping 11 matching lines @@
 #include "content/common/site_isolation_policy.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/child_frame_compositing_helper.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/render_widget.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
+#include "third_party/WebKit/public/platform/WebPoint.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"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
 
 namespace {
 
 // Facilitates lookup of RenderFrameProxy by routing_id.
@@ skipping 429 matching lines @@
 
 void RenderFrameProxy::frameRectsChanged(const blink::WebRect& frame_rect) {
   gfx::Rect rect = frame_rect;
   if (IsUseZoomForDSFEnabled()) {
     rect = gfx::ScaleToEnclosingRect(
         rect, 1.f / render_widget_->GetOriginalDeviceScaleFactor());
   }
   Send(new FrameHostMsg_FrameRectChanged(routing_id_, rect));
 }
 
+void RenderFrameProxy::updateRemoteViewportIntersection(
+    const blink::WebRect& viewportIntersection,
+    const blink::WebPoint& rootOffset) {
+  // TODO(kenrb): Do we need to account for DSF here, as above?
+  Send(new FrameHostMsg_UpdateViewportIntersection(
+      routing_id_, gfx::Rect(viewportIntersection), gfx::Point(rootOffset)));
+}
+
 void RenderFrameProxy::visibilityChanged(bool visible) {
   Send(new FrameHostMsg_VisibilityChanged(routing_id_, visible));
 }
 
 void RenderFrameProxy::didChangeOpener(blink::WebFrame* opener) {
   // A proxy shouldn't normally be disowning its opener.  It is possible to get
   // here when a proxy that is being detached clears its opener, in which case
   // there is no need to notify the browser process.
   if (!opener)
     return;
@@ skipping 11 matching lines @@
                                     blink::WebLocalFrame* source) {
   int source_routing_id = RenderFrameImpl::FromWebFrame(source)->GetRoutingID();
   Send(new FrameHostMsg_AdvanceFocus(routing_id_, type, source_routing_id));
 }
 
 void RenderFrameProxy::frameFocused() {
   Send(new FrameHostMsg_FrameFocused(routing_id_));
 }
 
 }  // namespace