Upgrade to 3.29

Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.

Bug: 17370214

Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/icu_util.h b/src/icu_util.h
new file mode 100644
index 0000000..cd98ff0
--- /dev/null
+++ b/src/icu_util.h
@@ -0,0 +1,19 @@
+// Copyright 2013 the V8 project 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 V8_ICU_UTIL_H_
+#define V8_ICU_UTIL_H_
+
+namespace v8 {
+
+namespace internal {
+
+// Call this function to load ICU's data tables for the current process.  This
+// function should be called before ICU is used.
+bool InitializeICU(const char* icu_data_file);
+
+} }  // namespace v8::internal
+
+#endif  // V8_ICU_UTIL_H_