Convert MIDI permission requests to use WebContents in preparation for switching the code to using …

content/shell/browser/shell_browser_context.cc

Index: content/shell/browser/shell_browser_context.cc
diff --git a/content/shell/browser/shell_browser_context.cc b/content/shell/browser/shell_browser_context.cc
index 244c18857fcc2d582d814d37b40bae4f2079597b..30beef804893456d63c054ce1407cf8bbf90d878 100644
--- a/content/shell/browser/shell_browser_context.cc
+++ b/content/shell/browser/shell_browser_context.cc
@@ -179,30 +179,6 @@ net::URLRequestContextGetter*
   return GetRequestContext();
 }
 
-void ShellBrowserContext::RequestMidiSysExPermission(
-      int render_process_id,
-      int render_view_id,
-      int bridge_id,
-      const GURL& requesting_frame,
-      bool user_gesture,
-      const MidiSysExPermissionCallback& callback) {
-  // Always reject requests for LayoutTests for now.
-  // TODO(toyoshim): Make it programmable to improve test coverage.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kDumpRenderTree)) {
-    callback.Run(false);
-    return;
-  }
-  callback.Run(true);
-}
-
-void ShellBrowserContext::CancelMidiSysExPermissionRequest(
-    int render_process_id,
-    int render_view_id,
-    int bridge_id,
-    const GURL& requesting_frame) {
-}
-
 void ShellBrowserContext::RequestProtectedMediaIdentifierPermission(
     int render_process_id,
     int render_view_id,