[Isolates] Move contents of Top into Isolate....

src/ic.cc

Index: src/ic.cc
===================================================================
--- src/ic.cc	(revision 4906)
+++ src/ic.cc	(working copy)
@@ -81,7 +81,8 @@
   // To improve the performance of the (much used) IC code, we unfold
   // a few levels of the stack frame iteration code. This yields a
   // ~35% speedup when running DeltaBlue with the '--nouse-ic' flag.
-  const Address entry = Top::c_entry_fp(Isolate::Current()->thread_local_top());
+  const Address entry =
+      Isolate::c_entry_fp(Isolate::Current()->thread_local_top());
   Address* pc_address =
       reinterpret_cast<Address*>(entry + ExitFrameConstants::kCallerPCOffset);
   Address fp = Memory::Address_at(entry + ExitFrameConstants::kCallerFPOffset);
@@ -202,7 +203,7 @@
   HandleScope scope;
   Handle<Object> args[2] = { key, object };
   Handle<Object> error = Factory::NewTypeError(type, HandleVector(args, 2));
-  return Top::Throw(*error);
+  return Isolate::Current()->Throw(*error);
 }
 
 
@@ -210,7 +211,7 @@
   HandleScope scope;
   Handle<Object> error =
       Factory::NewReferenceError(type, HandleVector(&name, 1));
-  return Top::Throw(*error);
+  return Isolate::Current()->Throw(*error);
 }