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

runtime/vm/timeline_analysis.h

 // Copyright (c) 2015, 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_TIMELINE_ANALYSIS_H_
 #define RUNTIME_VM_TIMELINE_ANALYSIS_H_
 
 #include "vm/growable_array.h"
 #include "vm/timeline.h"
 
@@ skipping 13 matching lines @@
  private:
   void AddBlock(TimelineEventBlock* block);
   void Finalize();
 
   const ThreadId id_;
   ZoneGrowableArray<TimelineEventBlock*> blocks_;
 
   friend class TimelineAnalysis;
 };
 
-
 class TimelineAnalysisThreadEventIterator : public ValueObject {
  public:
   explicit TimelineAnalysisThreadEventIterator(TimelineAnalysisThread* thread);
   ~TimelineAnalysisThreadEventIterator();
 
   void Reset(TimelineAnalysisThread* thread);
 
   bool HasNext() const;
 
   TimelineEvent* Next();
 
  private:
   TimelineAnalysisThread* thread_;
   TimelineEvent* current_;
   intptr_t block_cursor_;
   intptr_t event_cursor_;
 };
 
-
 // Base of all timeline analysis classes. Base functionality:
 // - discovery of all thread ids in a recording.
 // - collecting all ThreadEventBlocks by thread id.
 class TimelineAnalysis : public ValueObject {
  public:
   TimelineAnalysis(Zone* zone,
                    Isolate* isolate,
                    TimelineEventRecorder* recorder);
   ~TimelineAnalysis();
 
@@ skipping 19 matching lines @@
 
   Zone* zone_;
   Isolate* isolate_;
   TimelineEventRecorder* recorder_;
   bool has_error_;
   const char* error_msg_;
 
   ZoneGrowableArray<TimelineAnalysisThread*> threads_;
 };
 
-
 class TimelineLabelPauseInfo : public ZoneAllocated {
  public:
   explicit TimelineLabelPauseInfo(const char* name);
 
   const char* name() const { return name_; }
 
   int64_t inclusive_micros() const { return inclusive_micros_; }
 
   int64_t exclusive_micros() const { return exclusive_micros_; }
 
@@ skipping 36 matching lines @@
   const char* name_;
   int64_t inclusive_micros_;
   int64_t exclusive_micros_;
   int64_t max_inclusive_micros_;
   int64_t max_exclusive_micros_;
 
   friend class TimelinePauses;
   friend class TimelinePauseTrace;
 };
 
-
 class TimelinePauses : public TimelineAnalysis {
  public:
   TimelinePauses(Zone* zone, Isolate* isolate, TimelineEventRecorder* recorder);
 
   void Setup();
 
   void CalculatePauseTimesForThread(ThreadId tid);
 
   TimelineLabelPauseInfo* GetLabelPauseInfo(const char* name) const;
 
@@ skipping 22 matching lines @@
   void Push(TimelineEvent* event);
   bool IsLabelOnStack(const char* label) const;
   intptr_t StackDepth() const;
   StackItem& GetStackTop();
   TimelineLabelPauseInfo* GetOrAddLabelPauseInfo(const char* name);
 
   ZoneGrowableArray<StackItem> stack_;
   ZoneGrowableArray<TimelineLabelPauseInfo*> labels_;
 };
 
-
 class TimelinePauseTrace : public ValueObject {
  public:
   TimelinePauseTrace();
   ~TimelinePauseTrace();
 
   void Print();
 
  private:
   TimelineLabelPauseInfo* GetOrAddLabelPauseInfo(const char* name);
   void Aggregate(const TimelineLabelPauseInfo* thread_pause_info);
   void PrintPauseInfo(const TimelineLabelPauseInfo* pause_info);
 
   ZoneGrowableArray<TimelineLabelPauseInfo*> isolate_labels_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_TIMELINE_ANALYSIS_H_