Use Chrome compatible naming for compiler specifics.

src/snapshot-source-sink.h

 // 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.
 
 #ifndef V8_SNAPSHOT_SOURCE_SINK_H_
 #define V8_SNAPSHOT_SOURCE_SINK_H_
 
 #include "src/base/logging.h"
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 
 
 /**
  * Source to read snapshot and builtins files from.
  *
  * Note: Memory ownership remains with callee.
  */
-class SnapshotByteSource V8_FINAL {
+class SnapshotByteSource FINAL {
  public:
   SnapshotByteSource(const byte* array, int length);
   ~SnapshotByteSource();
 
   bool HasMore() { return position_ < length_; }
 
   int Get() {
     DCHECK(position_ < length_);
     return data_[position_++];
   }
@@ skipping 61 matching lines @@
 
  private:
   int length_;
 };
 
 
 // Wrap a SnapshotByteSink into a DebugSnapshotSink to get debugging output.
 class DebugSnapshotSink : public SnapshotByteSink {
  public:
   explicit DebugSnapshotSink(SnapshotByteSink* chained) : sink_(chained) {}
-  virtual void Put(byte b, const char* description) V8_OVERRIDE;
-  virtual int Position() V8_OVERRIDE { return sink_->Position(); }
+  virtual void Put(byte b, const char* description) OVERRIDE;
+  virtual int Position() OVERRIDE { return sink_->Position(); }
 
  private:
   SnapshotByteSink* sink_;
 };
 
 
 class ListSnapshotSink : public i::SnapshotByteSink {
  public:
   explicit ListSnapshotSink(i::List<byte>* data) : data_(data) {}
-  virtual void Put(byte b, const char* description) V8_OVERRIDE {
+  virtual void Put(byte b, const char* description) OVERRIDE {
     data_->Add(b);
   }
-  virtual int Position() V8_OVERRIDE { return data_->length(); }
+  virtual int Position() OVERRIDE { return data_->length(); }
 
  private:
   i::List<byte>* data_;
 };
 
 }  // namespace v8::internal
 }  // namespace v8
 
 #endif  // V8_SNAPSHOT_SOURCE_SINK_H_