PlzNavigate: provide the FrameTreeNode ID to the network stack

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 445 matching lines @@
       continue;
     WebContentsImpl* wci = static_cast<WebContentsImpl*>(web_contents);
     if (web_contents_set.find(wci) == web_contents_set.end()) {
       web_contents_set.insert(wci);
       result.push_back(wci);
     }
   }
   return result;
 }
 
+// static
+WebContentsImpl* WebContentsImpl::FromFrameTreeNode(
+    FrameTreeNode* frame_tree_node) {
+  return static_cast<WebContentsImpl*>(
+      WebContents::FromRenderFrameHost(frame_tree_node->current_frame_host()));
+}
+
 RenderFrameHostManager* WebContentsImpl::GetRenderManagerForTesting() {
   return GetRenderManager();
 }
 
 bool WebContentsImpl::OnMessageReceived(RenderViewHost* render_view_host,
                                         const IPC::Message& message) {
   return OnMessageReceived(render_view_host, NULL, message);
 }
 
 bool WebContentsImpl::OnMessageReceived(RenderViewHost* render_view_host,
@@ skipping 3912 matching lines @@
   player_map->erase(it);
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content