In revision 15142, the V8_USE_UNSAFE_HANDLES define is removed.

So in the vtune support code ( in vtune-jit.cc file)v8::Handle<T* value> consturctor cannot be invoked directly.
We use "->ToString()" to create the Handle<String> object  to fix the compilation error.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/17343005

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15299 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/third_party/vtune/vtune-jit.cc

@@ -192,8 +192,7 @@ void VTUNEJITInterface::event_handler(const v8::JitCodeEvent* event) {
         if (*script != NULL) {
           // Get the source file name and set it to jmethod.source_file_name
          if ((*script->GetScriptName())->IsString()) {
-            Handle<String> script_name =
-                Handle<String>(String::Cast(*script->GetScriptName()));
+            Handle<String> script_name = script->GetScriptName()->ToString();
             temp_file_name = new char[script_name->Utf8Length() + 1];
             script_name->WriteUtf8(temp_file_name);
             jmethod.source_file_name = temp_file_name;