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

runtime/vm/safepoint.h

Index: runtime/vm/safepoint.h
diff --git a/runtime/vm/safepoint.h b/runtime/vm/safepoint.h
index 5547ce7ad86d406b5296c9a0d493c66b9403ecab..c522ac9e255fb214e14951105a7179b1fe20ee7b 100644
--- a/runtime/vm/safepoint.h
+++ b/runtime/vm/safepoint.h
@@ -23,7 +23,6 @@ class SafepointOperationScope : public StackResource {
   DISALLOW_COPY_AND_ASSIGN(SafepointOperationScope);
 };
 
-
 // Implements handling of safepoint operations for all threads in an Isolate.
 class SafepointHandler {
  public:
@@ -94,7 +93,6 @@ class SafepointHandler {
   friend class SafepointOperationScope;
 };
 
-
 /*
  * Set of StackResource classes to track thread execution state transitions:
  *
@@ -152,7 +150,6 @@ class TransitionSafepointState : public StackResource {
   DISALLOW_COPY_AND_ASSIGN(TransitionSafepointState);
 };
 
-
 // TransitionGeneratedToVM is used to transition the safepoint state of a
 // thread from "running generated code" to "running vm code" and ensures
 // that the state is reverted back to "running generated code" when
@@ -180,7 +177,6 @@ class TransitionGeneratedToVM : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionGeneratedToVM);
 };
 
-
 // TransitionGeneratedToNative is used to transition the safepoint state of a
 // thread from "running generated code" to "running native code" and ensures
 // that the state is reverted back to "running generated code" when
@@ -208,7 +204,6 @@ class TransitionGeneratedToNative : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionGeneratedToNative);
 };
 
-
 // TransitionVMToBlocked is used to transition the safepoint state of a
 // thread from "running vm code" to "blocked on a monitor" and ensures
 // that the state is reverted back to "running vm code" when
@@ -233,7 +228,6 @@ class TransitionVMToBlocked : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionVMToBlocked);
 };
 
-
 // TransitionVMToNative is used to transition the safepoint state of a
 // thread from "running vm code" to "running native code" and ensures
 // that the state is reverted back to "running vm code" when
@@ -258,7 +252,6 @@ class TransitionVMToNative : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionVMToNative);
 };
 
-
 // TransitionVMToGenerated is used to transition the safepoint state of a
 // thread from "running vm code" to "running generated code" and ensures
 // that the state is reverted back to "running vm code" when
@@ -286,7 +279,6 @@ class TransitionVMToGenerated : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionVMToGenerated);
 };
 
-
 // TransitionNativeToVM is used to transition the safepoint state of a
 // thread from "running native code" to "running vm code" and ensures
 // that the state is reverted back to "running native code" when
@@ -311,7 +303,6 @@ class TransitionNativeToVM : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionNativeToVM);
 };
 
-
 // TransitionToGenerated is used to transition the safepoint state of a
 // thread from "running vm code" or "running native code" to
 // "running generated code" and ensures that the state is reverted back
@@ -346,7 +337,6 @@ class TransitionToGenerated : public TransitionSafepointState {
   DISALLOW_COPY_AND_ASSIGN(TransitionToGenerated);
 };
 
-
 // TransitionToVM is used to transition the safepoint state of a
 // thread from "running native code" to "running vm code"
 // and ensures that the state is reverted back to "running native code"