Revert of Enforce capability spec renderer <--> browser

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index e00fd88e6e5a8eb356c858ae80d87ade941944cc..6da43c333166b7691eb7337088db5b0da45b070d 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -717,13 +717,6 @@
   virtual void RegisterMojoApplicationManifests(
       MojoApplicationManifestMap* manifests) {}
 
-  // Allow the embedder to provide a dictionary loaded from a JSON file
-  // resembling a service manifest whose capabilities section will be merged
-  // with content's own for |name|. Additional entries will be appended to their
-  // respective sections.
-  virtual std::unique_ptr<base::Value> GetServiceManifestOverlay(
-      const std::string& name);
-
   // Allows to override the visibility state of a RenderFrameHost.
   // |visibility_state| should not be null. It will only be set if needed.
   virtual void OverridePageVisibilityState(