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

runtime/bin/directory_macos.cc

Index: runtime/bin/directory_macos.cc
diff --git a/runtime/bin/directory_macos.cc b/runtime/bin/directory_macos.cc
index 48a7088dc9765f154ab3c6416221a232a9e34eea..8fe39782773c602322282da81f8785737bc701be 100644
--- a/runtime/bin/directory_macos.cc
+++ b/runtime/bin/directory_macos.cc
@@ -26,34 +26,28 @@ PathBuffer::PathBuffer() : length_(0) {
   data_ = calloc(PATH_MAX + 1, sizeof(char));  // NOLINT
 }
 
-
 PathBuffer::~PathBuffer() {
   free(data_);
 }
 
-
 bool PathBuffer::AddW(const wchar_t* name) {
   UNREACHABLE();
   return false;
 }
 
-
 char* PathBuffer::AsString() const {
   return reinterpret_cast<char*>(data_);
 }
 
-
 wchar_t* PathBuffer::AsStringW() const {
   UNREACHABLE();
   return NULL;
 }
 
-
 const char* PathBuffer::AsScopedString() const {
   return DartUtils::ScopedCopyCString(AsString());
 }
 
-
 bool PathBuffer::Add(const char* name) {
   char* data = AsString();
   int written = snprintf(data + length_, PATH_MAX - length_, "%s", name);
@@ -68,13 +62,11 @@ bool PathBuffer::Add(const char* name) {
   }
 }
 
-
 void PathBuffer::Reset(intptr_t new_length) {
   length_ = new_length;
   AsString()[length_] = '\0';
 }
 
-
 // A linked list of symbolic links, with their unique file system identifiers.
 // These are scanned to detect loops while doing a recursive directory listing.
 struct LinkList {
@@ -83,7 +75,6 @@ struct LinkList {
   LinkList* next;
 };
 
-
 ListType DirectoryListingEntry::Next(DirectoryListing* listing) {
   if (done_) {
     return kListDone;
@@ -217,7 +208,6 @@ ListType DirectoryListingEntry::Next(DirectoryListing* listing) {
   return kListDone;
 }
 
-
 DirectoryListingEntry::~DirectoryListingEntry() {
   ResetLink();
   if (lister_ != 0) {
@@ -225,7 +215,6 @@ DirectoryListingEntry::~DirectoryListingEntry() {
   }
 }
 
-
 void DirectoryListingEntry::ResetLink() {
   if ((link_ != NULL) && ((parent_ == NULL) || (parent_->link_ != link_))) {
     delete link_;
@@ -236,15 +225,12 @@ void DirectoryListingEntry::ResetLink() {
   }
 }
 
-
 static bool DeleteRecursively(PathBuffer* path);
 
-
 static bool DeleteFile(char* file_name, PathBuffer* path) {
   return path->Add(file_name) && (unlink(path->AsString()) == 0);
 }
 
-
 static bool DeleteDir(char* dir_name, PathBuffer* path) {
   if ((strcmp(dir_name, ".") == 0) || (strcmp(dir_name, "..") == 0)) {
     return true;
@@ -252,7 +238,6 @@ static bool DeleteDir(char* dir_name, PathBuffer* path) {
   return path->Add(dir_name) && DeleteRecursively(path);
 }
 
-
 static bool DeleteRecursively(PathBuffer* path) {
   // Do not recurse into links for deletion. Instead delete the link.
   // If it's a file, delete it.
@@ -343,7 +328,6 @@ static bool DeleteRecursively(PathBuffer* path) {
   return false;
 }
 
-
 Directory::ExistsResult Directory::Exists(const char* dir_name) {
   struct stat entry_info;
   int success = NO_RETRY_EXPECTED(stat(dir_name, &entry_info));
@@ -370,12 +354,10 @@ Directory::ExistsResult Directory::Exists(const char* dir_name) {
   }
 }
 
-
 char* Directory::CurrentNoScope() {
   return getcwd(NULL, 0);
 }
 
-
 const char* Directory::Current() {
   char buffer[PATH_MAX];
   if (getcwd(buffer, PATH_MAX) == NULL) {
@@ -384,13 +366,11 @@ const char* Directory::Current() {
   return DartUtils::ScopedCopyCString(buffer);
 }
 
-
 bool Directory::SetCurrent(const char* path) {
   int result = NO_RETRY_EXPECTED(chdir(path));
   return (result == 0);
 }
 
-
 bool Directory::Create(const char* dir_name) {
   // Create the directory with the permissions specified by the
   // process umask.
@@ -402,7 +382,6 @@ bool Directory::Create(const char* dir_name) {
   return (result == 0);
 }
 
-
 const char* Directory::SystemTemp() {
   PathBuffer path;
   const char* temp_dir = getenv("TMPDIR");
@@ -424,7 +403,6 @@ const char* Directory::SystemTemp() {
   return path.AsScopedString();
 }
 
-
 const char* Directory::CreateTemp(const char* prefix) {
   // Returns a new, unused directory name, adding characters to the end
   // of prefix.  Creates the directory with the permissions specified
@@ -448,7 +426,6 @@ const char* Directory::CreateTemp(const char* prefix) {
   return path.AsScopedString();
 }
 
-
 bool Directory::Delete(const char* dir_name, bool recursive) {
   if (!recursive) {
     if ((File::GetType(dir_name, false) == File::kIsLink) &&
@@ -465,7 +442,6 @@ bool Directory::Delete(const char* dir_name, bool recursive) {
   }
 }
 
-
 bool Directory::Rename(const char* path, const char* new_path) {
   ExistsResult exists = Exists(path);
   if (exists != EXISTS) {