VM: Re-format to use at most one newline between functions

runtime/vm/token_position.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/token_position.h"
 
 #include "vm/object.h"
 
 namespace dart {
 
-
 TokenPosition TokenPosition::SnapshotDecode(int32_t value) {
   return TokenPosition(static_cast<intptr_t>(value));
 }
 
-
 int32_t TokenPosition::SnapshotEncode() {
   return static_cast<int32_t>(value_);
 }
 
-
 bool TokenPosition::IsSynthetic() const {
   if (value_ >= kMinSourcePos) {
     return false;
   }
   if (value_ < kLast.value()) {
     return true;
   }
   return false;
 }
 
-
 #define DEFINE_VALUES(name, value)                                             \
   const TokenPosition TokenPosition::k##name = TokenPosition(value);
 SENTINEL_TOKEN_DESCRIPTORS(DEFINE_VALUES);
 #undef DEFINE_VALUES
 const TokenPosition TokenPosition::kMinSource = TokenPosition(kMinSourcePos);
 
 const TokenPosition TokenPosition::kMaxSource = TokenPosition(kMaxSourcePos);
 
-
 const char* TokenPosition::ToCString() const {
   switch (value_) {
 #define DEFINE_CASE(name, value)                                               \
   case value:                                                                  \
     return #name;
     SENTINEL_TOKEN_DESCRIPTORS(DEFINE_CASE);
 #undef DEFINE_CASE
     default: {
       Zone* zone = Thread::Current()->zone();
       ASSERT(zone != NULL);
       if (IsSynthetic()) {
         // TODO(johnmccutchan): Print synthetic positions differently.
         return FromSynthetic().ToCString();
       } else {
         return OS::SCreate(zone, "%d", value_);
       }
     }
   }
 }
 
 }  // namespace dart