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

runtime/vm/cpu_arm64.cc

 // Copyright (c) 2014, 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/globals.h"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/cpu.h"
 #include "vm/cpu_arm64.h"
 
 #include "vm/cpuinfo.h"
 #include "vm/simulator.h"
 
 #if !defined(USING_SIMULATOR)
 #if !defined(HOST_OS_FUCHSIA)
 #include <sys/syscall.h> /* NOLINT */
 #endif
-#include <unistd.h>      /* NOLINT */
+#include <unistd.h> /* NOLINT */
 #endif
 
 namespace dart {
 
 void CPU::FlushICache(uword start, uword size) {
 #if HOST_OS_IOS
   // Precompilation never patches code so there should be no I cache flushes.
   UNREACHABLE();
 #endif
 
@@ skipping 11 matching lines @@
   char* beg = reinterpret_cast<char*>(start);
   char* end = reinterpret_cast<char*>(start + size);
   ::__clear_cache(beg, end);
 #else
 #error FlushICache only tested/supported on Android, Fuchsia, and Linux
 #endif
 
 #endif
 }
 
-
 const char* CPU::Id() {
   return
 #if defined(USING_SIMULATOR)
       "sim"
 #endif  // !defined(HOST_ARCH_ARM64)
       "arm64";
 }
 
-
 const char* HostCPUFeatures::hardware_ = NULL;
 #if defined(DEBUG)
 bool HostCPUFeatures::initialized_ = false;
 #endif
 
-
 #if !defined(USING_SIMULATOR)
 void HostCPUFeatures::InitOnce() {
   CpuInfo::InitOnce();
   hardware_ = CpuInfo::GetCpuModel();
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
 
-
 void HostCPUFeatures::Cleanup() {
   DEBUG_ASSERT(initialized_);
 #if defined(DEBUG)
   initialized_ = false;
 #endif
   ASSERT(hardware_ != NULL);
   free(const_cast<char*>(hardware_));
   hardware_ = NULL;
   CpuInfo::Cleanup();
 }
 
 #else  // !defined(USING_SIMULATOR)
 
 void HostCPUFeatures::InitOnce() {
   CpuInfo::InitOnce();
   hardware_ = CpuInfo::GetCpuModel();
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
 
-
 void HostCPUFeatures::Cleanup() {
   DEBUG_ASSERT(initialized_);
 #if defined(DEBUG)
   initialized_ = false;
 #endif
   ASSERT(hardware_ != NULL);
   free(const_cast<char*>(hardware_));
   hardware_ = NULL;
   CpuInfo::Cleanup();
 }
 #endif  // !defined(USING_SIMULATOR)
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64