Rename MojoShellContext -> ServiceManagerContext.

content/public/test/test_mojo_service.mojom

-// Copyright 2015 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.
-
-module content.mojom;
-
-interface TestMojoService {
-  // Doesn't actually do anything, just responds.
-  DoSomething() => ();
-
-  // Terminates the current process to cause a connection error. Meant to test
-  // a connection error for the utility process.
-  DoTerminateProcess() => ();
-
-  // Tries to create a temporary folder. Requires a sandbox to succeed.
-  CreateFolder() => (bool succeeded);
-
-  // Retrieve the requestor name as seen by the test app providing this service.
-  GetRequestorName() => (string name);
-
-  // Requests that a new shared buffer be created and returned. If successful,
-  // |buffer| is non-null and its contents match |message|'s bytes exactly.
-  CreateSharedBuffer(string message) => (handle<shared_buffer>? buffer);
-};