Remove deprecated IllegalJSRegExpException class.

runtime/lib/regexp_jsc.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // This file encapsulates all the interaction with the
 // JSC regular expression library also referred to as pcre
 
 #include "lib/regexp_jsc.h"
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
@@ skipping 23 matching lines @@
 
 
 static void JSREFree(void* ptr) {
   USE(ptr);  // Do nothing, memory is garbage collected.
 }
 
 
 static void ThrowExceptionOnError(const String& pattern,
                                   const char* error_msg) {
   if (error_msg == NULL) {
-    error_msg = "Unknown regexp compile error";
+    error_msg = "Unknown regexp compile error. ";
   }
   const String& errmsg = String::Handle(String::New(error_msg));
-  const Array& args = Array::Handle(Array::New(2));
-  args.SetAt(0, pattern);
-  args.SetAt(1, errmsg);
-  Exceptions::ThrowByType(Exceptions::kIllegalJSRegExp, args);
+  const String& message = String::Handle(String::Concat(errmsg, pattern));
+  const Array& args = Array::Handle(Array::New(1));
+  args.SetAt(0, message);
+  Exceptions::ThrowByType(Exceptions::kFormat, args);
 }
 
 
 RawJSRegExp* Jscre::Compile(const String& pattern,
                             bool multi_line,
                             bool ignore_case) {
   // First convert the pattern to UTF16 format as the jscre library expects
   // strings to be in UTF16 encoding.
   uint16_t* two_byte_pattern = GetTwoByteData(pattern);
 
@@ skipping 102 matching lines @@
        i += kMatchPair) {
     start = Smi::New(offsets[i]);
     end = Smi::New(offsets[i + 1]);
     array.SetAt(i, start);
     array.SetAt(i+1, end);
   }
   return array.raw();
 }
 
 }  // namespace dart