Introduce string/regexp related public symbols.

R=littledan@chromium.org
BUG=v8:4305, v8:4343, v8:4344, v8:4345
LOG=N

Review URL: https://codereview.chromium.org/1424113003

Cr-Commit-Position: refs/heads/master@{#31643}

src/heap/heap.h

@@ -354,12 +354,16 @@ namespace internal {
   V(string_iterator_next_index_symbol)      \
   V(uninitialized_symbol)
 
-#define PUBLIC_SYMBOL_LIST(V)                               \
-  V(has_instance_symbol, Symbol.hasInstance)                \
-  V(is_regexp_symbol, Symbol.isRegExp)                      \
-  V(iterator_symbol, Symbol.iterator)                       \
-  V(to_primitive_symbol, Symbol.toPrimitive)                \
-  V(to_string_tag_symbol, Symbol.toStringTag)               \
+#define PUBLIC_SYMBOL_LIST(V)                 \
+  V(has_instance_symbol, Symbol.hasInstance)  \
+  V(is_regexp_symbol, Symbol.isRegExp)        \
+  V(iterator_symbol, Symbol.iterator)         \
+  V(match_symbol, Symbol.match)               \
+  V(replace_symbol, Symbol.replace)           \
+  V(search_symbol, Symbol.search)             \
+  V(split_symbol, Symbol.split)               \
+  V(to_primitive_symbol, Symbol.toPrimitive)  \
+  V(to_string_tag_symbol, Symbol.toStringTag) \
   V(unscopables_symbol, Symbol.unscopables)
 
 // Well-Known Symbols are "Public" symbols, which have a bit set which causes

src/js/symbol.js

@@ -19,7 +19,11 @@ var isConcatSpreadableSymbol =
 var isRegExpSymbol = utils.ImportNow("is_regexp_symbol");
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
 var MakeTypeError;
+var matchSymbol = utils.ImportNow("match_symbol");
 var ObjectGetOwnPropertyKeys;
+var replaceSymbol = utils.ImportNow("replace_symbol");
+var searchSymbol = utils.ImportNow("search_symbol");
+var splitSymbol = utils.ImportNow("split_symbol");
 var toPrimitiveSymbol = utils.ImportNow("to_primitive_symbol");
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 var unscopablesSymbol = utils.ImportNow("unscopables_symbol");
@@ -96,6 +100,11 @@ utils.InstallConstants(GlobalSymbol, [
   // "isConcatSpreadable", isConcatSpreadableSymbol,
   // "isRegExp", isRegExpSymbol,
   "iterator", iteratorSymbol,
+  // TODO(yangguo): expose when implemented.
+  // "match", matchSymbol,
+  // "replace", replaceSymbol,
+  // "search", searchSymbol,
+  // "split, splitSymbol,
   "toPrimitive", toPrimitiveSymbol,
   // TODO(dslomov, caitp): Currently defined in harmony-tostring.js ---
   // Move here when shipping