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

runtime/vm/signal_handler_macos.cc

Index: runtime/vm/signal_handler_macos.cc
diff --git a/runtime/vm/signal_handler_macos.cc b/runtime/vm/signal_handler_macos.cc
index addabb9eb806e79678a85b78ecfeacae20d5e4a9..8167b81bbd290c91f286a220e02c6aaaf581eb84 100644
--- a/runtime/vm/signal_handler_macos.cc
+++ b/runtime/vm/signal_handler_macos.cc
@@ -4,8 +4,8 @@
 
 #include "vm/globals.h"
 #include "vm/instructions.h"
-#include "vm/simulator.h"
 #include "vm/signal_handler.h"
+#include "vm/simulator.h"
 #if defined(HOST_OS_MACOS)
 
 namespace dart {
@@ -28,7 +28,6 @@ uintptr_t SignalHandler::GetProgramCounter(const mcontext_t& mcontext) {
   return pc;
 }
 
-
 uintptr_t SignalHandler::GetFramePointer(const mcontext_t& mcontext) {
   uintptr_t fp = 0;
 
@@ -47,7 +46,6 @@ uintptr_t SignalHandler::GetFramePointer(const mcontext_t& mcontext) {
   return fp;
 }
 
-
 uintptr_t SignalHandler::GetCStackPointer(const mcontext_t& mcontext) {
   uintptr_t sp = 0;
 
@@ -66,7 +64,6 @@ uintptr_t SignalHandler::GetCStackPointer(const mcontext_t& mcontext) {
   return sp;
 }
 
-
 uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) {
 #if defined(TARGET_ARCH_ARM64) && !defined(USING_SIMULATOR)
   return static_cast<uintptr_t>(mcontext->__ss.__x[SPREG]);
@@ -75,7 +72,6 @@ uintptr_t SignalHandler::GetDartStackPointer(const mcontext_t& mcontext) {
 #endif
 }
 
-
 uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) {
   uintptr_t lr = 0;
 
@@ -94,7 +90,6 @@ uintptr_t SignalHandler::GetLinkRegister(const mcontext_t& mcontext) {
   return lr;
 }
 
-
 void SignalHandler::InstallImpl(SignalAction action) {
   struct sigaction act;
   act.sa_handler = NULL;
@@ -105,7 +100,6 @@ void SignalHandler::InstallImpl(SignalAction action) {
   ASSERT(r == 0);
 }
 
-
 void SignalHandler::Remove() {
   // Ignore future SIGPROF signals because by default SIGPROF will terminate
   // the process and we may have some signals in flight.
@@ -117,7 +111,6 @@ void SignalHandler::Remove() {
   ASSERT(r == 0);
 }
 
-
 }  // namespace dart
 
 #endif  // defined(HOST_OS_MACOS)