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

src/log.cc

 // Copyright 2009 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 130 matching lines @@
 
 //
 // StackTracer implementation
 //
 void StackTracer::Trace(TickSample* sample) {
   sample->function = NULL;
   sample->frames_count = 0;
 
   if (sample->state == GC) return;
 
-  const Address js_entry_sp = Top::js_entry_sp(
+  const Address js_entry_sp = Isolate::js_entry_sp(
       Isolate::Current()->thread_local_top());
   if (js_entry_sp == 0) {
     // Not executing JS now.
     return;
   }
 
   const Address functionAddr =
       sample->fp + JavaScriptFrameConstants::kFunctionOffset;
   if (SafeStackFrameIterator::IsWithinBounds(sample->sp, js_entry_sp,
                                              functionAddr)) {
@@ skipping 1391 matching lines @@
   }
   // Otherwise, if the sliding state window computation has not been
   // started we do it now.
   if (sliding_state_window_ == NULL) {
     sliding_state_window_ = new SlidingStateWindow();
   }
 #endif
 }
 
 } }  // namespace v8::internal