Pipe the devTools FrameId from blink into the browser for headless

content/renderer/render_frame_impl.h

 // Copyright 2013 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_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 535 matching lines @@
   void DidAddContentSecurityPolicies(
       const blink::WebVector<blink::WebContentSecurityPolicy>&) override;
   void DidChangeFrameOwnerProperties(
       blink::WebFrame* child_frame,
       const blink::WebFrameOwnerProperties& frame_owner_properties) override;
   void DidMatchCSS(
       const blink::WebVector<blink::WebString>& newly_matching_selectors,
       const blink::WebVector<blink::WebString>& stopped_matching_selectors)
       override;
   void SetHasReceivedUserGesture() override;
+  void SetDevToolsFrameId(const blink::WebString& devtools_frame_id) override;
   bool ShouldReportDetailedMessageForSource(
       const blink::WebString& source) override;
   void DidAddMessageToConsole(const blink::WebConsoleMessage& message,
                               const blink::WebString& source_name,
                               unsigned source_line,
                               const blink::WebString& stack_trace) override;
   void LoadURLExternally(const blink::WebURLRequest& request,
                          blink::WebNavigationPolicy policy,
                          const blink::WebString& suggested_name,
                          bool should_replace_current_entry) override;
@@ skipping 906 matching lines @@
   std::vector<media::RoutingTokenCallback> pending_routing_token_callbacks_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_