[Cross-Site Isolation] Migrate entire MediaStream verticals to be per-RenderFrame.

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index fd8aeae8625cb08328cc0f743c17ba705820fbea..d531b52d388a6c962dfc17b7b6233c3a4e8fb612 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -266,13 +266,6 @@ class CONTENT_EXPORT RenderViewHostDelegate {
   // Show the newly created full screen widget. Similar to above.
   virtual void ShowCreatedFullscreenWidget(int route_id) {}
 
-  // The render view has requested access to media devices listed in
-  // |request|, and the client should grant or deny that permission by
-  // calling |callback|.
-  virtual void RequestMediaAccessPermission(
-      const MediaStreamRequest& request,
-      const MediaResponseCallback& callback) {}
-
   // Returns the SessionStorageNamespace the render view should use. Might
   // create the SessionStorageNamespace on the fly.
   virtual SessionStorageNamespace* GetSessionStorageNamespace(