Use Chrome compatible naming for compiler specifics.

src/ostreams.h

 // Copyright 2014 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.
 
 #ifndef V8_OSTREAMS_H_
 #define V8_OSTREAMS_H_
 
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
@@ skipping 65 matching lines @@
   }
   ~OStringStream() { deallocate(data_, capacity_); }
 
   size_t size() const { return size_; }
   size_t capacity() const { return capacity_; }
   const char* data() const { return data_; }
 
   // Internally, our character data is always 0-terminated.
   const char* c_str() const { return data(); }
 
-  virtual OStringStream& write(const char* s, size_t n) V8_OVERRIDE;
-  virtual OStringStream& flush() V8_OVERRIDE;
+  virtual OStringStream& write(const char* s, size_t n) OVERRIDE;
+  virtual OStringStream& flush() OVERRIDE;
 
  private:
   // Primitive allocator interface, can be extracted if needed.
   static char* allocate (size_t n) { return new char[n]; }
   static void deallocate (char* s, size_t n) { delete[] s; }
 
   void reserve(size_t requested_capacity);
 
   size_t size_;
   size_t capacity_;
   char* data_;
 
   DISALLOW_COPY_AND_ASSIGN(OStringStream);
 };
 
 
 // An output stream writing to a file.
 class OFStream: public OStream {
  public:
   explicit OFStream(FILE* f) : f_(f) { }
   virtual ~OFStream() { }
 
-  virtual OFStream& write(const char* s, size_t n) V8_OVERRIDE;
-  virtual OFStream& flush() V8_OVERRIDE;
+  virtual OFStream& write(const char* s, size_t n) OVERRIDE;
+  virtual OFStream& flush() OVERRIDE;
 
  private:
   FILE* const f_;
 
   DISALLOW_COPY_AND_ASSIGN(OFStream);
 };
 
 
 // Wrappers to disambiguate uint16_t and uc16.
 struct AsUC16 {
@@ skipping 12 matching lines @@
 // of printable ASCII range. Additionally escapes '\' making escaping
 // reversible.
 OStream& operator<<(OStream& os, const AsReversiblyEscapedUC16& c);
 
 // Writes the given character to the output escaping everything outside
 // of printable ASCII range.
 OStream& operator<<(OStream& os, const AsUC16& c);
 } }  // namespace v8::internal
 
 #endif  // V8_OSTREAMS_H_