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

runtime/vm/profiler_service.h

Index: runtime/vm/profiler_service.h
diff --git a/runtime/vm/profiler_service.h b/runtime/vm/profiler_service.h
index 55e1742e4c3aa839ea771dd8a6ddac651b235495..ba1981ace397a0905bea34bb3e33e383c260d49f 100644
--- a/runtime/vm/profiler_service.h
+++ b/runtime/vm/profiler_service.h
@@ -50,7 +50,6 @@ class ProfileFunctionSourcePosition {
   DISALLOW_ALLOCATION();
 };
 
-
 // Profile data related to a |Function|.
 class ProfileFunction : public ZoneAllocated {
  public:
@@ -128,7 +127,6 @@ class ProfileFunction : public ZoneAllocated {
   friend class ProfileBuilder;
 };
 
-
 class ProfileCodeAddress {
  public:
   explicit ProfileCodeAddress(uword pc);
@@ -145,7 +143,6 @@ class ProfileCodeAddress {
   intptr_t inclusive_ticks_;
 };
 
-
 // Profile data related to a |Code|.
 class ProfileCode : public ZoneAllocated {
  public:
@@ -241,7 +238,6 @@ class ProfileCode : public ZoneAllocated {
   friend class ProfileBuilder;
 };
 
-
 class ProfileCodeTable : public ZoneAllocated {
  public:
   ProfileCodeTable() : table_(8) {}
@@ -283,7 +279,6 @@ class ProfileCodeTable : public ZoneAllocated {
   ZoneGrowableArray<ProfileCode*> table_;
 };
 
-
 // Stack traces are organized in a trie. This holds information about one node
 // in the trie. A node in a tree represents a stack frame and a path in the tree
 // represents a stack trace. Each unique stack trace appears in the tree once
@@ -338,7 +333,6 @@ class ProfileTrieNode : public ZoneAllocated {
     return (*b)->count() - (*a)->count();
   }
 
-
   intptr_t table_index_;
   intptr_t count_;
   intptr_t exclusive_allocations_;
@@ -349,7 +343,6 @@ class ProfileTrieNode : public ZoneAllocated {
   friend class ProfileBuilder;
 };
 
-
 // The model for a profile. Most of the model is zone allocated, therefore
 // a zone must be created that lives longer than this object.
 class Profile : public ValueObject {
@@ -423,7 +416,6 @@ class Profile : public ValueObject {
   friend class ProfileBuilder;
 };
 
-
 class ProfileTrieWalker : public ValueObject {
  public:
   explicit ProfileTrieWalker(Profile* profile)
@@ -463,7 +455,6 @@ class ProfileTrieWalker : public ValueObject {
   bool code_trie_;
 };
 
-
 class ProfilerService : public AllStatic {
  public:
   enum {