Revert of [regexp] Port RegExpExec

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 483f358d28e2e6560ffa18abfa92ebda8fdd3069..e3932e5c008b883f7c4b5f9e9393cd05bcdc30fd 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1642,9 +1642,6 @@
       SimpleInstallFunction(proto, factory->toString_string(),
                             Builtins::kRegExpPrototypeToString, 0, false,
                             DONT_ENUM);
-      SimpleInstallFunction(proto, factory->exec_string(),
-                            Builtins::kRegExpPrototypeExec, 1, false,
-                            DONT_ENUM);
     }
 
     {
@@ -1724,6 +1721,8 @@
 #undef INSTALL_CAPTURE_GETTER
     }
 
+    // TODO(jgruber): shared->set_force_inline on getters.
+
     DCHECK(regexp_fun->has_initial_map());
     Handle<Map> initial_map(regexp_fun->initial_map());
 
@@ -1734,7 +1733,7 @@
     // ECMA-262, section 15.10.7.5.
     PropertyAttributes writable =
         static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE);
-    DataDescriptor field(factory->lastIndex_string(),
+    DataDescriptor field(factory->last_index_string(),
                          JSRegExp::kLastIndexFieldIndex, writable,
                          Representation::Tagged());
     initial_map->AppendDescriptor(&field);