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

runtime/vm/os_thread.h

 // 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.
 
 #ifndef RUNTIME_VM_OS_THREAD_H_
 #define RUNTIME_VM_OS_THREAD_H_
 
 #include "platform/globals.h"
 #include "vm/allocation.h"
 #include "vm/globals.h"
@@ skipping 30 matching lines @@
   ~BaseThread() {}
 
   bool is_os_thread_;
 
   friend class Thread;
   friend class OSThread;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(BaseThread);
 };
 
-
 // Low-level operations on OS platform threads.
 class OSThread : public BaseThread {
  public:
   // The constructor of OSThread is never called directly, instead we call
   // this factory style method 'CreateOSThread' to create OSThread structures.
   // The method can return a NULL if the Dart VM is in shutdown mode.
   static OSThread* CreateOSThread();
   ~OSThread();
 
   ThreadId id() const {
@@ skipping 186 matching lines @@
   static Mutex* thread_list_lock_;
   static OSThread* thread_list_head_;
   static bool creation_enabled_;
 
   friend class Isolate;  // to access set_thread(Thread*).
   friend class OSThreadIterator;
   friend class ThreadInterrupterWin;
   friend class ThreadInterrupterFuchsia;
 };
 
-
 // Note that this takes the thread list lock, prohibiting threads from coming
 // on- or off-line.
 class OSThreadIterator : public ValueObject {
  public:
   OSThreadIterator();
   ~OSThreadIterator();
 
   // Returns false when there are no more threads left.
   bool HasNext() const;
 
   // Returns the current thread and moves forward.
   OSThread* Next();
 
  private:
   OSThread* next_;
 };
 
-
 class Mutex {
  public:
   Mutex();
   ~Mutex();
 
 #if defined(DEBUG)
   bool IsOwnedByCurrentThread() const {
     return owner_ == OSThread::GetCurrentThreadId();
   }
 #else
@@ skipping 17 matching lines @@
   friend class MutexLocker;
   friend class SafepointMutexLocker;
   friend class OSThreadIterator;
   friend class TimelineEventBlockIterator;
   friend class TimelineEventRecorder;
   friend class PageSpace;
   friend void Dart_TestMutex();
   DISALLOW_COPY_AND_ASSIGN(Mutex);
 };
 
-
 class Monitor {
  public:
   enum WaitResult { kNotified, kTimedOut };
 
   static const int64_t kNoTimeout = 0;
 
   Monitor();
   ~Monitor();
 
 #if defined(DEBUG)
@@ skipping 24 matching lines @@
 #if defined(DEBUG)
   ThreadId owner_;
 #endif  // defined(DEBUG)
 
   friend class MonitorLocker;
   friend class SafepointMonitorLocker;
   friend void Dart_TestMonitor();
   DISALLOW_COPY_AND_ASSIGN(Monitor);
 };
 
-
 }  // namespace dart
 
-
 #endif  // RUNTIME_VM_OS_THREAD_H_