Move platform abstraction to base library

src/token.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_TOKEN_H_
 #define V8_TOKEN_H_
 
-#include "src/checks.h"
+#include "src/base/logging.h"
 
 namespace v8 {
 namespace internal {
 
 // TOKEN_LIST takes a list of 3 macros M, all of which satisfy the
 // same signature M(name, string, precedence), where name is the
 // symbolic token name, string is the corresponding syntactic symbol
 // (or NULL, for literals), and precedence is the precedence (or 0).
 // The parameters are invoked for token categories as follows:
 //
@@ skipping 264 matching lines @@
  private:
   static const char* const name_[NUM_TOKENS];
   static const char* const string_[NUM_TOKENS];
   static const int8_t precedence_[NUM_TOKENS];
   static const char token_type[NUM_TOKENS];
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_TOKEN_H_