Make Isolate::GetData and Isolate::SetData inlineable.

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 16486 matching lines @@
   CHECK_EQ(5, fatal_error_callback_counter);
   CHECK(v8::True().IsEmpty());
   CHECK_EQ(6, fatal_error_callback_counter);
   CHECK(v8::True(isolate).IsEmpty());
   CHECK_EQ(7, fatal_error_callback_counter);
   CHECK(v8::False().IsEmpty());
   CHECK_EQ(8, fatal_error_callback_counter);
   CHECK(v8::False(isolate).IsEmpty());
   CHECK_EQ(9, fatal_error_callback_counter);
 }
+
+
+TEST(IsolateEmbedderData) {
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  CHECK_EQ(NULL, isolate->GetData());
+  CHECK_EQ(NULL, ISOLATE->GetData());
+  static void* data1 = (void*)0xacce55ed;
+  isolate->SetData(data1);
+  CHECK_EQ(data1, isolate->GetData());
+  CHECK_EQ(data1, ISOLATE->GetData());
+  static void* data2 = (void*)0xdecea5ed;
+  ISOLATE->SetData(data2);
+  CHECK_EQ(data2, isolate->GetData());
+  CHECK_EQ(data2, ISOLATE->GetData());
+  ISOLATE->TearDown();
+  CHECK_EQ(data2, isolate->GetData());
+  CHECK_EQ(data2, ISOLATE->GetData());
+}