Update mojo sdk to rev 91d94d6993c9b0c4135a95687a7d541ce90629b

mojo/public/cpp/environment/environment.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_ENVIRONMENT_ENVIRONMENT_H_
 #define MOJO_PUBLIC_CPP_ENVIRONMENT_ENVIRONMENT_H_
 
 #include "mojo/public/cpp/system/macros.h"
 
 struct MojoAsyncWaiter;
@@ skipping 14 matching lines @@
   Environment();
   // This constructor allows the standard implementations to be overridden (set
   // a parameter to null to get the standard implementation).
   Environment(const MojoAsyncWaiter* default_async_waiter,
               const MojoLogger* default_logger);
   ~Environment();
 
   static const MojoAsyncWaiter* GetDefaultAsyncWaiter();
   static const MojoLogger* GetDefaultLogger();
 
+  // These instantiate and destroy an environment-specific run loop for the
+  // current thread, allowing |GetDefaultAsyncWaiter()| to be used. (The run
+  // loop itself should be accessible via thread-local storage, using methods
+  // specific to the run loop implementation.) Creating and destroying nested
+  // run loops is not supported.
+  static void InstantiateDefaultRunLoop();
+  static void DestroyDefaultRunLoop();
+
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(Environment);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_ENVIRONMENT_ENVIRONMENT_H_