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

src/frames.h

 // Copyright 2006-2008 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 24 matching lines @@
 
 // Get the number of registers in a given register list.
 int NumRegs(RegList list);
 
 // Return the code of the n-th saved register available to JavaScript.
 int JSCallerSavedCode(int n);
 
 
 // Forward declarations.
 class StackFrameIterator;
-class Top;
 class ThreadLocalTop;
 
 
 class StackHandler BASE_EMBEDDED {
  public:
   enum State {
     ENTRY,
     TRY_CATCH,
     TRY_FINALLY
   };
@@ skipping 617 matching lines @@
 };
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap();
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_H_