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

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index ba836479109eb55918292074e84692286d05deda..520bd8ad326b79f585da8b2c99dd5de9ad93748c 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -16504,3 +16504,21 @@ TEST(StaticGettersAfterDeath) {
   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());
+}