Mojo: Move public C system header files to mojo/public/c/system/.

mojo/public/utility/mutex.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_UTILITY_MUTEX_H_
 #define MOJO_PUBLIC_UTILITY_MUTEX_H_
 
 #ifdef _WIN32
 #error "Not implemented: See crbug.com/342893."
 #endif
 
 #include <pthread.h>
 
-#include "mojo/public/system/macros.h"
+#include "mojo/public/c/system/macros.h"
 
 namespace mojo {
 
 #ifdef NDEBUG
 // Note: Make a C++ constant for |PTHREAD_MUTEX_INITIALIZER|. (We can't directly
 // use the C macro in an initializer list, since it might expand to |{ ... }|.)
 namespace internal {
 const pthread_mutex_t kPthreadMutexInitializer = PTHREAD_MUTEX_INITIALIZER;
 }
 #endif
@@ skipping 36 matching lines @@
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(MutexLock);
 };
 
 // Catch bug where variable name is omitted (e.g., |MutexLock (&mu)|).
 #define MutexLock(x) MOJO_COMPILE_ASSERT(0, mutex_lock_missing_variable_name);
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_UTILITY_MUTEX_H_