Fuchsia: Initial check-in.

runtime/platform/utils_fuchsia.h

Index: runtime/platform/utils_fuchsia.h
diff --git a/runtime/platform/utils_fuchsia.h b/runtime/platform/utils_fuchsia.h
new file mode 100644
index 0000000000000000000000000000000000000000..705422587974855b16149d441460869dd6b08558
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+++ b/runtime/platform/utils_fuchsia.h
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+// 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.
+
+#ifndef PLATFORM_UTILS_FUCHSIA_H_
+#define PLATFORM_UTILS_FUCHSIA_H_
+
+#include "platform/assert.h"
+
+namespace dart {
+
+inline int Utils::CountLeadingZeros(uword x) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline int Utils::CountTrailingZeros(uword x) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint16_t Utils::HostToBigEndian16(uint16_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint32_t Utils::HostToBigEndian32(uint32_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint64_t Utils::HostToBigEndian64(uint64_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint16_t Utils::HostToLittleEndian16(uint16_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint32_t Utils::HostToLittleEndian32(uint32_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline uint64_t Utils::HostToLittleEndian64(uint64_t value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+inline char* Utils::StrError(int err, char* buffer, size_t bufsize) {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+}  // namespace dart
+
+#endif  // PLATFORM_UTILS_FUCHSIA_H_