Remove ApplicationRunner::{Get,Set}DefaultLogger().

mojo/public/cpp/application/application_runner.h

 // Copyright 2014 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_PUBLIC_CPP_APPLICATION_APPLICATION_RUNNER_H_
 #define MOJO_PUBLIC_CPP_APPLICATION_APPLICATION_RUNNER_H_
 
 #include <memory>
 
-#include "mojo/public/c/environment/logger.h"
 #include "mojo/public/c/system/handle.h"
 #include "mojo/public/c/system/result.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 
 class ApplicationDelegate;
 
 // A utility for running an Application. The typical use case is to use
 // when writing your MojoMain:
 //
 //  MojoResult MojoMain(MojoHandle application_request) {
 //    mojo::ApplicationRunner runner(new MyApplicationDelegate());
 //    return runner.Run(application_request);
 //  }
 //
 // ApplicationRunner takes care of mojo environment initialization and
 // shutdown, and starting a RunLoop from which your application can run and
 // ultimately Quit().
 class ApplicationRunner {
  public:
   explicit ApplicationRunner(std::unique_ptr<ApplicationDelegate> delegate);
   ~ApplicationRunner();
 
-  // This replaces the underlying logger implementation with the one provided.
-  // This static method may only be called while |Run()| is running. |logger|
-  // must outlive the duration of this |Run()|, or until the subsequent
-  // |ApplicationRunner::SetDefaultLogger()|, which ever comes first.
-  static void SetDefaultLogger(const MojoLogger* logger);
-  // This static method may only be called while |Run()| is running.
-  static const MojoLogger* GetDefaultLogger();
-
   // Once the various parameters have been set above, use Run to initialize an
   // ApplicationImpl wired to the provided delegate, and run a RunLoop until
   // the application exits.
   MojoResult Run(MojoHandle application_request);
 
  private:
   std::unique_ptr<ApplicationDelegate> delegate_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationRunner);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_APPLICATION_APPLICATION_RUNNER_H_