Fix presubmit errors caused by updated depot tools

src/spaces.h

 // Copyright 2011 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 1214 matching lines @@
   // Slow path of AllocateRaw.  This function is space-dependent.
   MUST_USE_RESULT virtual HeapObject* SlowAllocateRaw(int size_in_bytes) = 0;
 
   // Slow path of MCAllocateRaw.
   MUST_USE_RESULT HeapObject* SlowMCAllocateRaw(int size_in_bytes);
 
 #ifdef DEBUG
   // Returns the number of total pages in this space.
   int CountTotalPages();
 #endif
+
  private:
-
   // Returns a pointer to the page of the relocation pointer.
   Page* MCRelocationTopPage() { return TopPageOf(mc_forwarding_info_); }
 
   friend class PageIterator;
 };
 
 
 class NumberAndSizeInfo BASE_EMBEDDED {
  public:
   NumberAndSizeInfo() : number_(0), bytes_(0) {}
@@ skipping 562 matching lines @@
   // destroyed.  The start address should be word aligned.
   void Free(Address start);
 
   // Allocate a fixed sized block from the free list.  The block is unitialized.
   // A failure is returned if no block is available.
   MUST_USE_RESULT MaybeObject* Allocate();
 
   void MarkNodes();
 
  private:
-
   Heap* heap_;
 
   // Available bytes on the free list.
   intptr_t available_;
 
   // The head of the free list.
   Address head_;
 
   // The tail of the free list.
   Address tail_;
@@ skipping 479 matching lines @@
   }
   // Must be small, since an iteration is used for lookup.
   static const int kMaxComments = 64;
 };
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_