Fix compilation when disabling debugger support.

src/heap.h

 // Copyright 2012 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 1374 matching lines @@
 
   // Implements the corresponding V8 API function.
   bool IdleNotification(int hint);
 
   // Declare all the root indices.
   enum RootListIndex {
 #define ROOT_INDEX_DECLARATION(type, name, camel_name) k##camel_name##RootIndex,
     STRONG_ROOT_LIST(ROOT_INDEX_DECLARATION)
 #undef ROOT_INDEX_DECLARATION
 
-// Utility type maps
-#define DECLARE_STRUCT_MAP(NAME, Name, name) k##Name##MapRootIndex,
-  STRUCT_LIST(DECLARE_STRUCT_MAP)
-#undef DECLARE_STRUCT_MAP
-
 #define SYMBOL_INDEX_DECLARATION(name, str) k##name##RootIndex,
     SYMBOL_LIST(SYMBOL_INDEX_DECLARATION)
 #undef SYMBOL_DECLARATION
 
+    // Utility type maps
+#define DECLARE_STRUCT_MAP(NAME, Name, name) k##Name##MapRootIndex,
+    STRUCT_LIST(DECLARE_STRUCT_MAP)
+#undef DECLARE_STRUCT_MAP
+
     kSymbolTableRootIndex,
     kStrongRootListLength = kSymbolTableRootIndex,
     kRootListLength
   };
 
   STATIC_CHECK(kUndefinedValueRootIndex == Internals::kUndefinedValueRootIndex);
   STATIC_CHECK(kNullValueRootIndex == Internals::kNullValueRootIndex);
   STATIC_CHECK(kTrueValueRootIndex == Internals::kTrueValueRootIndex);
   STATIC_CHECK(kFalseValueRootIndex == Internals::kFalseValueRootIndex);
   STATIC_CHECK(kempty_symbolRootIndex == Internals::kEmptySymbolRootIndex);
@@ skipping 1287 matching lines @@
   AssertNoAllocation no_alloc;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG || LIVE_OBJECT_LIST
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_