Enforce capability spec renderer <--> browser

content/public/browser/content_browser_client.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_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 699 matching lines @@
   using MojoApplicationManifestMap = std::map<std::string, std::string>;
 
   // Registers manifest contents for Mojo applications.
   // See "services/shell/manifest.json" for an example Mojo app manifest.
   //
   // TODO(rockot): http://crbug.com/610426. Add more documentations about
   //  Mojo app manifest.
   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(
       RenderFrameHost* render_frame_host,
       blink::WebPageVisibilityState* visibility_state) {}
 
   // Allows an embedder to provide its own PresentationServiceDelegate
   // implementation. Returns nullptr if unavailable.
   virtual PresentationServiceDelegate* GetPresentationServiceDelegate(
       WebContents* web_contents);
@@ skipping 65 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return nullptr to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_