Move a bunch of GC related files to heap/ subdirectory

src/objects.cc

 // Copyright 2013 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/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/cpu-profiler.h"
 #include "src/date.h"
 #include "src/debug.h"
 #include "src/deoptimizer.h"
 #include "src/elements.h"
 #include "src/execution.h"
 #include "src/field-index-inl.h"
 #include "src/field-index.h"
 #include "src/full-codegen.h"
+#include "src/heap/mark-compact.h"
 #include "src/hydrogen.h"
 #include "src/isolate-inl.h"
 #include "src/log.h"
 #include "src/lookup.h"
 #include "src/macro-assembler.h"
-#include "src/mark-compact.h"
 #include "src/objects-inl.h"
 #include "src/objects-visiting-inl.h"
 #include "src/prototype.h"
 #include "src/safepoint-table.h"
 #include "src/string-search.h"
 #include "src/string-stream.h"
 #include "src/utils.h"
 
 #ifdef ENABLE_DISASSEMBLER
 #include "src/disasm.h"
@@ skipping 17012 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal