Implement specced parsing algorithm for <area coords>

third_party/WebKit/Source/wtf/text/WTFString.cpp

Index: third_party/WebKit/Source/wtf/text/WTFString.cpp
diff --git a/third_party/WebKit/Source/wtf/text/WTFString.cpp b/third_party/WebKit/Source/wtf/text/WTFString.cpp
index 63c64f47f2709bb1b72cf7e73783a7999030f20c..f647d1733a41e7eb4ba9f8e5855ea7c2ddeafc16 100644
--- a/third_party/WebKit/Source/wtf/text/WTFString.cpp
+++ b/third_party/WebKit/Source/wtf/text/WTFString.cpp
@@ -1139,6 +1139,16 @@ double charactersToDouble(const UChar* data, size_t length, bool* ok)
     return toDoubleType<UChar, DisallowTrailingJunk>(data, length, ok, parsedLength);
 }
 
+double charactersToDouble(const LChar* data, size_t length, size_t& parsedLength)
+{
+    return toDoubleType<LChar, AllowTrailingJunk>(data, length, nullptr, parsedLength);
+}
+
+double charactersToDouble(const UChar* data, size_t length, size_t& parsedLength)
+{
+    return toDoubleType<UChar, AllowTrailingJunk>(data, length, nullptr, parsedLength);
+}
+
 float charactersToFloat(const LChar* data, size_t length, bool* ok)
 {
     // FIXME: This will return ok even when the string fits into a double but