Eliminate FrameMojoShell.

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 644dc79b2ffa87a2a6834e527349150bf0113475..0d66e5f712d7cea445aae42490de86ed088be108 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -657,9 +657,9 @@ class CONTENT_EXPORT ContentBrowserClient {
       shell::InterfaceRegistry* registry,
       RenderProcessHost* render_process_host) {}
 
-  // Allows to register browser Mojo interfaces exposed through the
-  // FrameMojoShell.
-  virtual void RegisterFrameMojoShellInterfaces(
+  // Called when RenderFrameHostImpl connects to the Media service. Expose
+  // interfaces to the service using |registry|.
+  virtual void ExposeInterfacesToMediaService(
       shell::InterfaceRegistry* registry,
       RenderFrameHost* render_frame_host) {}