Move a bunch of GC related files to heap/ subdirectory

src/frames.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/full-codegen.h"
-#include "src/mark-compact.h"
+#include "src/heap/mark-compact.h"
 #include "src/safepoint-table.h"
 #include "src/scopeinfo.h"
 #include "src/string-stream.h"
 #include "src/vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
 
 ReturnAddressLocationResolver
@@ skipping 1614 matching lines @@
   ZoneList<StackFrame*> list(10, zone);
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal