Revert change 23372 as it causes some build issues on Mac.

runtime/vm/handles_impl.h

Index: runtime/vm/handles_impl.h
===================================================================
--- runtime/vm/handles_impl.h	(revision 23375)
+++ runtime/vm/handles_impl.h	(working copy)
@@ -88,7 +88,7 @@
 // current Isolate, current zone and current handle scope exist. It
 // asserts for this appropriately.
 template <int kHandleSizeInWords, int kHandlesPerChunk, int kOffsetOfRawPtr>
-inline uword Handles<kHandleSizeInWords,
+uword Handles<kHandleSizeInWords,
               kHandlesPerChunk,
               kOffsetOfRawPtr>::AllocateHandle(Isolate* isolate) {
   ASSERT(isolate != NULL);
@@ -387,13 +387,6 @@
   return (next_handle_slot_ / kHandleSizeInWords);
 }
 
-
-inline uword VMHandles::AllocateHandle(Isolate* isolate) {
-  return Handles<kVMHandleSizeInWords,
-                 kVMHandlesPerChunk,
-                 kOffsetOfRawPtr>::AllocateHandle(isolate);
-}
-
 }  // namespace dart
 
 #endif  // VM_HANDLES_IMPL_H_