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

runtime/vm/malloc_hooks_test.cc

Index: runtime/vm/malloc_hooks_test.cc
diff --git a/runtime/vm/malloc_hooks_test.cc b/runtime/vm/malloc_hooks_test.cc
index 38ed39555bf7d6577813e87810f6d15dc1de112b..e9d0e33f4fe5906458e6b8ba5cecaad10c7dc8d5 100644
--- a/runtime/vm/malloc_hooks_test.cc
+++ b/runtime/vm/malloc_hooks_test.cc
@@ -25,7 +25,6 @@ static void MallocHookTestBufferInitializer(volatile char* buffer,
   }
 }
 
-
 UNIT_TEST_CASE(BasicMallocHookTest) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;
@@ -51,7 +50,6 @@ UNIT_TEST_CASE(BasicMallocHookTest) {
   FLAG_profiler_native_memory = enable_malloc_hooks_saved;
 }
 
-
 UNIT_TEST_CASE(FreeUnseenMemoryMallocHookTest) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;
@@ -79,7 +77,6 @@ UNIT_TEST_CASE(FreeUnseenMemoryMallocHookTest) {
   EXPECT_EQ(static_cast<intptr_t>(sizeof(char) * buffer_size),
             MallocHooks::heap_allocated_memory_in_bytes());
 
-
   delete[] buffer;
   EXPECT_EQ(0L, MallocHooks::allocation_count());
   EXPECT_EQ(0L, MallocHooks::heap_allocated_memory_in_bytes());
@@ -88,7 +85,6 @@ UNIT_TEST_CASE(FreeUnseenMemoryMallocHookTest) {
   FLAG_profiler_native_memory = enable_malloc_hooks_saved;
 }
 
-
 VM_UNIT_TEST_CASE(StackTraceMallocHookSimpleTest) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;
@@ -113,14 +109,12 @@ VM_UNIT_TEST_CASE(StackTraceMallocHookSimpleTest) {
   FLAG_profiler_native_memory = enable_malloc_hooks_saved;
 }
 
-
 static char* DART_NOINLINE StackTraceLengthHelper(uintptr_t* end_address) {
   char* var = static_cast<char*>(malloc(16 * sizeof(char)));
   *end_address = OS::GetProgramCounter();
   return var;
 }
 
-
 VM_UNIT_TEST_CASE(StackTraceMallocHookLengthTest) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;
@@ -175,7 +169,6 @@ VM_UNIT_TEST_CASE(StackTraceMallocHookLengthTest) {
   FLAG_profiler_native_memory = enable_malloc_hooks_saved;
 }
 
-
 ISOLATE_UNIT_TEST_CASE(StackTraceMallocHookSimpleJSONTest) {
   bool enable_malloc_hooks_saved = FLAG_profiler_native_memory;
   FLAG_profiler_native_memory = true;