PlzNavigate: Get StreamPrivate API to work.

content/public/browser/resource_request_info.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
 
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "content/public/common/resource_type.h"
@@ skipping 77 matching lines @@
   // The IPC route identifier for this request (this identifies the RenderView
   // or like-thing in the renderer that the request gets routed to).
   // To get a WebContents, use GetWebContentsGetterForRequest instead.
   // Don't use this method for new code, as RenderViews are going away.
   virtual int GetRouteID() const = 0;
 
   // The pid of the originating process, if the request is sent on behalf of a
   // another process.  Otherwise it is 0.
   virtual int GetOriginPID() const = 0;
 
+  // Returns the FrameTreeNode ID for this frame. This ID is browser-global and
+  // uniquely identifies a frame that hosts content.
+  virtual int GetFrameTreeNodeId() const = 0;
+
   // The IPC route identifier of the RenderFrame.
   // To get a WebContents, use GetWebContentsGetterForRequest instead.
   // TODO(jam): once all navigation and resource requests are sent between
   // frames and RenderView/RenderViewHost aren't involved we can remove this and
   // just use GetRouteID above.
   virtual int GetRenderFrameID() const = 0;
 
   // True if GetRenderFrameID() represents a main frame in the RenderView.
   virtual bool IsMainFrame() const = 0;
 
@@ skipping 44 matching lines @@
   // Whether this request if using Lo-Fi mode.
   virtual bool IsUsingLoFi() const = 0;
 
  protected:
   virtual ~ResourceRequestInfo() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_