[Isolates] Always inline Isolate::Current().

src/isolate.h

 // Copyright 2010 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 357 matching lines @@
   };
 
   // Returns the PerIsolateThreadData for the current thread (or NULL if one is
   // not currently set).
   static PerIsolateThreadData* CurrentPerIsolateThreadData() {
     return reinterpret_cast<PerIsolateThreadData*>(
         Thread::GetThreadLocal(per_isolate_thread_data_key_));
   }
 
   // Returns the isolate inside which the current thread is running.
-  static Isolate* Current() {
-    Isolate* tls_isolate = reinterpret_cast<Isolate*>(
-        Thread::GetThreadLocal(isolate_key_));
-    ASSERT(tls_isolate != NULL);
-    return tls_isolate;
+  INLINE(static Isolate* Current()) {
+    Isolate* isolate = UncheckedCurrent();
+    ASSERT(isolate != NULL);
+    return isolate;
   }
 
-  static Isolate* UncheckedCurrent() {
+  INLINE(static Isolate* UncheckedCurrent()) {
     return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key_));
   }
 
   bool Init(Deserializer* des);
 
   bool IsInitialized() { return state_ == INITIALIZED; }
 
   // True if at least one thread Enter'ed this isolate.
   bool IsInUse() { return entry_stack_ != NULL; }
 
@@ skipping 797 matching lines @@
 #define ISOLATED_CLASS class
 
 } }  // namespace v8::internal
 
 // TODO(isolates): Get rid of these -inl.h includes and place them only where
 //                 they're needed.
 #include "allocation-inl.h"
 #include "zone-inl.h"
 
 #endif  // V8_ISOLATE_H_