Start replicating sandbox flags 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 <map>
 
 #include "base/lazy_instance.h"
 #include "content/child/webmessageportchannel_impl.h"
@@ skipping 139 matching lines @@
 
 void RenderFrameProxy::DidCommitCompositorFrame() {
   if (compositing_helper_.get())
     compositing_helper_->DidCommitCompositorFrame();
 }
 
 void RenderFrameProxy::SetReplicatedState(const FrameReplicationState& state) {
   DCHECK(web_frame_);
   web_frame_->setReplicatedOrigin(blink::WebSecurityOrigin::createFromString(
       blink::WebString::fromUTF8(state.origin.string())));
+  web_frame_->setReplicatedSandboxFlags(
+      RenderFrameImpl::ContentToWebSandboxFlags(state.sandbox_flags));
 }
 
 bool RenderFrameProxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameProxy, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_DeleteProxy, OnDeleteProxy)
     IPC_MESSAGE_HANDLER(FrameMsg_ChildFrameProcessGone, OnChildFrameProcessGone)
     IPC_MESSAGE_HANDLER_GENERIC(FrameMsg_CompositorFrameSwapped,
                                 OnCompositorFrameSwapped(msg))
     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
@@ skipping 146 matching lines @@
       blink::WebUserGestureIndicator::isProcessingUserGesture();
   blink::WebUserGestureIndicator::consumeUserGesture();
   Send(new FrameHostMsg_OpenURL(routing_id_, params));
 }
 
 void RenderFrameProxy::forwardInputEvent(const blink::WebInputEvent* event) {
   Send(new FrameHostMsg_ForwardInputEvent(routing_id_, event));
 }
 
 }  // namespace