Unbreak samples and tools.

samples/lineprocessor.cc

Index: samples/lineprocessor.cc
diff --git a/samples/lineprocessor.cc b/samples/lineprocessor.cc
index f259ea4e9436bd59c027be37de060eae547d7708..7e820b377f47cf662ef422d31fa085b7dfd27e61 100644
--- a/samples/lineprocessor.cc
+++ b/samples/lineprocessor.cc
@@ -133,7 +133,9 @@ void DispatchDebugMessages() {
 
 int RunMain(int argc, char* argv[]) {
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  v8::Isolate* isolate = v8::Isolate::New();
+  v8::Isolate::Scope isolate_scope(isolate);
+  v8::Locker locker(isolate);
   v8::HandleScope handle_scope(isolate);
 
   v8::Handle<v8::String> script_source;
@@ -212,8 +214,6 @@ int RunMain(int argc, char* argv[]) {
 
   debug_message_context.Reset(isolate, context);
 
-  v8::Locker locker(isolate);
-
   if (support_callback) {
     v8::Debug::SetDebugMessageDispatchHandler(DispatchDebugMessages, true);
   }