Intersection Observer support for OOPIF

content/renderer/render_frame_proxy.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_FRAME_PROXY_H_
 #define CONTENT_RENDERER_RENDER_FRAME_PROXY_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
@@ skipping 114 matching lines @@
   // blink::WebRemoteFrameClient implementation:
   void frameDetached(DetachType type) override;
   void forwardPostMessage(blink::WebLocalFrame* sourceFrame,
                           blink::WebRemoteFrame* targetFrame,
                           blink::WebSecurityOrigin target,
                           blink::WebDOMMessageEvent event) override;
   void navigate(const blink::WebURLRequest& request,
                 bool should_replace_current_entry) override;
   void forwardInputEvent(const blink::WebInputEvent* event) override;
   void frameRectsChanged(const blink::WebRect& frame_rect) override;
+  void updateRemoteViewportIntersection(
+      const blink::WebRect& viewportIntersection) override;
   void visibilityChanged(bool visible) override;
   void setHasReceivedUserGesture() override;
   void didChangeOpener(blink::WebFrame* opener) override;
   void advanceFocus(blink::WebFocusType type,
                     blink::WebLocalFrame* source) override;
   void frameFocused() override;
 
   // IPC handlers
   void OnDidStartLoading();
 
@@ skipping 43 matching lines @@
 
   RenderViewImpl* render_view_;
   RenderWidget* render_widget_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameProxy);
 };
 
 }  // namespace
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_PROXY_H_