Adds ability for chrome to behave as mojo_runner

mojo/shell/standalone/context.h

 // Copyright 2013 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 MOJO_SHELL_STANDALONE_CONTEXT_H_
 #define MOJO_SHELL_STANDALONE_CONTEXT_H_
 
-#include <vector>
-
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "mojo/edk/embedder/process_delegate.h"
 #include "mojo/shell/application_manager.h"
-#include "mojo/shell/runner/host/command_line_switch.h"
 #include "mojo/shell/standalone/tracer.h"
 #include "url/gurl.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace mojo {
 namespace shell {
-struct CommandLineSwitch;
+class NativeRunnerDelegate;
 
 // The "global" context for the shell's main process.
 class Context : public edk::ProcessDelegate {
  public:
   Context();
   ~Context() override;
 
   static void EnsureEmbedderIsInitialized();
 
-  void set_command_line_switches(
-      const std::vector<CommandLineSwitch>& command_line_switches) {
-    command_line_switches_ = command_line_switches;
+  void set_native_runner_delegate(NativeRunnerDelegate* delegate) {
+    native_runner_delegate_ = delegate;
   }
 
   // This must be called with a message loop set up for the current thread,
   // which must remain alive until after Shutdown() is called.
   void Init(const base::FilePath& shell_file_root);
 
   // If Init() was called and succeeded, this must be called before destruction.
   void Shutdown();
 
   // Run the application specified on the command line.
@@ skipping 12 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> shell_runner_;
   scoped_ptr<base::Thread> io_thread_;
   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 
   // Ensure this is destructed before task_runners_ since it owns a message pipe
   // that needs the IO thread to destruct cleanly.
   Tracer tracer_;
   scoped_ptr<ApplicationManager> application_manager_;
   base::Time main_entry_time_;
-  std::vector<CommandLineSwitch> command_line_switches_;
+
+  NativeRunnerDelegate* native_runner_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(Context);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_STANDALONE_CONTEXT_H_