Fuchsia: Platform specific calls needed to Initialize and Cleanup VM.

runtime/bin/log_fuchsia.cc

Index: runtime/bin/log_fuchsia.cc
diff --git a/runtime/bin/log_linux.cc b/runtime/bin/log_fuchsia.cc
similarity index 80%
copy from runtime/bin/log_linux.cc
copy to runtime/bin/log_fuchsia.cc
index abb198328794052b712a431398bae7dcb32ae6e5..0c1f7af934b2de803a737de00f6649438591d629 100644
--- a/runtime/bin/log_linux.cc
+++ b/runtime/bin/log_fuchsia.cc
@@ -1,9 +1,9 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
-#if defined(TARGET_OS_LINUX)
+#if defined(TARGET_OS_FUCHSIA)
 
 #include "bin/log.h"
 
@@ -25,4 +25,4 @@ void Log::VPrintErr(const char* format, va_list args) {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_LINUX)
+#endif  // defined(TARGET_OS_FUCHSIA)