Experimental scanner multithreading fix.

src/lexer/experimental-scanner.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 12 matching lines @@
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "experimental-scanner.h"
 
 namespace v8 {
 namespace internal {
 
-std::set<ScannerBase*>* ScannerBase::scanners_ = NULL;
-
-void ScannerBase::UpdateBuffersAfterGC(v8::Isolate*, GCType, GCCallbackFlags) {
-  if (!scanners_) return;
-  for (std::set<ScannerBase*>::const_iterator it = scanners_->begin();
-       it != scanners_->end();
-       ++it)
-    (*it)->SetBufferBasedOnHandle();
-}
-
-
 template<>
 const uint8_t* ExperimentalScanner<uint8_t>::GetNewBufferBasedOnHandle() const {
   String::FlatContent content = source_handle_->GetFlatContent();
   return content.ToOneByteVector().start();
 }
 
 
 template <>
 const uint16_t* ExperimentalScanner<uint16_t>::GetNewBufferBasedOnHandle()
     const {
@@ skipping 113 matching lines @@
 template<>
 bool ExperimentalScanner<int8_t>::FillLiteral(
     const TokenDesc& token, LiteralDesc* literal) {
   // FIXME: implement.
   return false;
 }
 
 
 }
 }