Remove access to WebContents in RWHVA::SynchronousFrameMetadata()

content/browser/devtools/render_frame_devtools_agent_host.h

Index: content/browser/devtools/render_frame_devtools_agent_host.h
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.h b/content/browser/devtools/render_frame_devtools_agent_host.h
index 63b5b9c053de39e638aa1bf47fa23a17072292bd..984c0cba74e8164f7cad68ba3bb8256558f09bf0 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -72,7 +72,8 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
 
   static void WebContentsCreated(WebContents* web_contents);
 
-  void SynchronousSwapCompositorFrame(
+  static void SignalSynchronousSwapCompositorFrame(
+      RenderFrameHost* frame_host,
       cc::CompositorFrameMetadata frame_metadata);
 
   bool HasRenderFrameHost(RenderFrameHost* host);
@@ -168,6 +169,9 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
 
   void CreatePowerSaveBlocker();
 
+  void SynchronousSwapCompositorFrame(
+      cc::CompositorFrameMetadata frame_metadata);
+
   class FrameHostHolder;
 
   std::unique_ptr<FrameHostHolder> current_;