Remove unused private member variables found by clang -Wunused-private-field

test/cctest/test-lockers.cc

 // Copyright 2007-2011 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 41 matching lines @@
 using ::v8::Script;
 using ::v8::String;
 using ::v8::Value;
 using ::v8::V8;
 
 
 // Migrating an isolate
 class KangarooThread : public v8::internal::Thread {
  public:
   KangarooThread(v8::Isolate* isolate,
-                 v8::Handle<v8::Context> context, int value)
+                 v8::Handle<v8::Context> context)
       : Thread("KangarooThread"),
-        isolate_(isolate), context_(context), value_(value) {
+        isolate_(isolate), context_(context) {
   }
 
   void Run() {
     {
       v8::Locker locker(isolate_);
       v8::Isolate::Scope isolate_scope(isolate_);
       CHECK_EQ(isolate_, v8::internal::Isolate::Current());
       v8::HandleScope scope;
       v8::Context::Scope context_scope(context_);
       Local<Value> v = CompileRun("getValue()");
       CHECK(v->IsNumber());
       CHECK_EQ(30, static_cast<int>(v->NumberValue()));
     }
     {
       v8::Locker locker(isolate_);
       v8::Isolate::Scope isolate_scope(isolate_);
       v8::Context::Scope context_scope(context_);
       v8::HandleScope scope;
       Local<Value> v = CompileRun("getValue()");
       CHECK(v->IsNumber());
       CHECK_EQ(30, static_cast<int>(v->NumberValue()));
     }
     isolate_->Dispose();
   }
 
  private:
   v8::Isolate* isolate_;
   Persistent<v8::Context> context_;
-  int value_;
 };
 
 // Migrates an isolate from one thread to another
 TEST(KangarooIsolates) {
   v8::Isolate* isolate = v8::Isolate::New();
   Persistent<v8::Context> context;
   {
     v8::Locker locker(isolate);
     v8::Isolate::Scope isolate_scope(isolate);
     v8::HandleScope handle_scope;
     context = v8::Context::New();
     v8::Context::Scope context_scope(context);
     CHECK_EQ(isolate, v8::internal::Isolate::Current());
     CompileRun("function getValue() { return 30; }");
   }
-  KangarooThread thread1(isolate, context, 1);
+  KangarooThread thread1(isolate, context);
   thread1.Start();
   thread1.Join();
 }
 
 static void CalcFibAndCheck() {
   Local<Value> v = CompileRun("function fib(n) {"
                               "  if (n <= 2) return 1;"
                               "  return fib(n-1) + fib(n-2);"
                               "}"
                               "fib(10)");
@@ skipping 593 matching lines @@
                                           kSimpleExtensionSource));
   const char* extension_names[] = { "test0", "test1",
                                     "test2", "test3", "test4",
                                     "test5", "test6", "test7" };
   i::List<JoinableThread*> threads(kNThreads);
   for (int i = 0; i < kNThreads; i++) {
     threads.Add(new IsolateGenesisThread(8, extension_names));
   }
   StartJoinAndDeleteThreads(threads);
 }