Rename "extras exports" to "extras binding"

test/cctest/test-api.cc

 // Copyright 2012 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 21603 matching lines @@
 }
 
 
 TEST(ExtrasExportsObject) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope handle_scope(isolate);
   LocalContext env;
 
   // standalone.gypi ensures we include the test-extra.js file, which should
   // export the tested functions.
-  v8::Local<v8::Object> exports = env->GetExtrasExportsObject();
+  v8::Local<v8::Object> binding = env->GetExtrasBindingObject();
 
   auto func =
-      exports->Get(v8_str("testExtraShouldReturnFive")).As<v8::Function>();
+      binding->Get(v8_str("testExtraShouldReturnFive")).As<v8::Function>();
   auto undefined = v8::Undefined(isolate);
   auto result = func->Call(undefined, 0, {}).As<v8::Number>();
   CHECK_EQ(5, result->Int32Value());
 
   v8::Handle<v8::FunctionTemplate> runtimeFunction =
       v8::FunctionTemplate::New(isolate, ExtrasExportsTestRuntimeFunction);
-  exports->Set(v8_str("runtime"), runtimeFunction->GetFunction());
+  binding->Set(v8_str("runtime"), runtimeFunction->GetFunction());
   func =
-      exports->Get(v8_str("testExtraShouldCallToRuntime")).As<v8::Function>();
+      binding->Get(v8_str("testExtraShouldCallToRuntime")).As<v8::Function>();
   result = func->Call(undefined, 0, {}).As<v8::Number>();
   CHECK_EQ(7, result->Int32Value());
 }
 
 
 TEST(Map) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope handle_scope(isolate);
   LocalContext env;
 
@@ skipping 164 matching lines @@
   CHECK(try_catch.HasTerminated());
 }
 
 
 TEST(EstimatedContextSize) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   LocalContext env;
   CHECK(50000 < env->EstimatedSize());
 }