Replace a POSIX API call not supported by Fuchsia.

Bug: chromium:809201 Change-Id: Iafc2e7efe92bcb977e5185901c073e499114a9f4 Reviewed-on: https://chromium-review.googlesource.com/903261Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

Replace a POSIX API call not supported by Fuchsia.
ca5c1059 · Wez · Commit Bot · bfeed4dd · ca5c1059
Commit ca5c1059 authored Feb 05, 2018 by Wez Committed by Commit Bot Feb 06, 2018
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string_utils.cpp src/common/string_utils.cpp +2 -1

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--- a/src/common/string_utils.cpp
+++ b/src/common/string_utils.cpp
@@ -142,7 +142,8 @@ Optional<std::vector<wchar_t>> WidenString(size_t length, const char *cString)
 {
    std::vector<wchar_t> wcstring(length + 1);
 #if !defined(ANGLE_PLATFORM_WINDOWS)
-    size_t written = mbstowcs(wcstring.data(), cString, length + 1);
+    mbstate_t mbstate = {};
+    size_t written = mbsrtowcs(wcstring.data(), &cString, length + 1, &mbstate);
    if (written == 0)
    {
        return Optional<std::vector<wchar_t>>::Invalid();