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

runtime/vm/virtual_memory_win.cc

 // Copyright (c) 2012, 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(HOST_OS_WINDOWS)
 
 #include "vm/virtual_memory.h"
 
 #include "platform/assert.h"
 #include "vm/os.h"
 
 #include "vm/isolate.h"
 
 namespace dart {
 
 uword VirtualMemory::page_size_ = 0;
 
-
 void VirtualMemory::InitOnce() {
   SYSTEM_INFO info;
   GetSystemInfo(&info);
   page_size_ = info.dwPageSize;
 }
 
-
 VirtualMemory* VirtualMemory::ReserveInternal(intptr_t size) {
   void* address = VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS);
   if (address == NULL) {
     return NULL;
   }
   MemoryRegion region(address, size);
   return new VirtualMemory(region);
 }
 
-
 VirtualMemory::~VirtualMemory() {
   if (!vm_owns_region() || (reserved_size_ == 0)) {
     return;
   }
   if (VirtualFree(address(), 0, MEM_RELEASE) == 0) {
     FATAL("VirtualFree failed");
   }
 }
 
-
 bool VirtualMemory::FreeSubSegment(int32_t handle,
                                    void* address,
                                    intptr_t size) {
   // On Windows only the entire segment returned by VirtualAlloc
   // can be freed. Therefore we will have to waste these unused
   // virtual memory sub-segments.
   return false;
 }
 
-
 bool VirtualMemory::Commit(uword addr,
                            intptr_t size,
                            bool executable,
                            const char* name) {
   ASSERT(Contains(addr));
   ASSERT(Contains(addr + size) || (addr + size == end()));
   int prot = executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
   if (VirtualAlloc(reinterpret_cast<void*>(addr), size, MEM_COMMIT, prot) ==
       NULL) {
     return false;
   }
   return true;
 }
 
-
 bool VirtualMemory::Protect(void* address, intptr_t size, Protection mode) {
   ASSERT(Thread::Current()->IsMutatorThread() ||
          Isolate::Current()->mutator_thread()->IsAtSafepoint());
   uword start_address = reinterpret_cast<uword>(address);
   uword end_address = start_address + size;
   uword page_address = Utils::RoundDown(start_address, PageSize());
   DWORD prot = 0;
   switch (mode) {
     case kNoAccess:
       prot = PAGE_NOACCESS;
@@ skipping 13 matching lines @@
   }
   DWORD old_prot = 0;
   bool result = VirtualProtect(reinterpret_cast<void*>(page_address),
                                end_address - page_address, prot, &old_prot);
   return result;
 }
 
 }  // namespace dart
 
 #endif  // defined(HOST_OS_WINDOWS)