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

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index e4fffadc81b6c29e44d7801eaefc14535bdce35f..7b94a59a29f806ede93ec2b174a5a54825d7016e 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2816,13 +2816,13 @@ class V8EXPORT Isolate {
   /**
    * Associate embedder-specific data with the isolate
    */
-  void SetData(void* data);
+  inline void SetData(void* data);
 
   /**
-   * Retrive embedder-specific data from the isolate.
+   * Retrieve embedder-specific data from the isolate.
    * Returns NULL if SetData has never been called.
    */
-  void* GetData();
+  inline void* GetData();
 
  private:
   Isolate();
@@ -3961,6 +3961,18 @@ class Internals {
     return *reinterpret_cast<int*>(addr) == 1;
   }
 
+  static inline void SetEmbedderData(v8::Isolate* isolate, void* data) {
+    uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) +
+        kIsolateEmbedderDataOffset;
+    *reinterpret_cast<void**>(addr) = data;
+  }
+
+  static inline void* GetEmbedderData(v8::Isolate* isolate) {
+    uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) +
+        kIsolateEmbedderDataOffset;
+    return *reinterpret_cast<void**>(addr);
+  }
+
   static inline internal::Object** GetRoot(v8::Isolate* isolate, int index) {
     uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateRootsOffset;
     return reinterpret_cast<internal::Object**>(addr + index * kApiPointerSize);
@@ -4424,6 +4436,18 @@ Handle<Boolean> False(Isolate* isolate) {
 }
 
 
+void Isolate::SetData(void* data) {
+  typedef internal::Internals I;
+  I::SetEmbedderData(this, data);
+}
+
+
+void* Isolate::GetData() {
+  typedef internal::Internals I;
+  return I::GetEmbedderData(this);
+}
+
+
 /**
  * \example shell.cc
  * A simple shell that takes a list of expressions on the