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

runtime/vm/malloc_hooks_jemalloc.cc

Index: runtime/vm/malloc_hooks_jemalloc.cc
diff --git a/runtime/vm/malloc_hooks_jemalloc.cc b/runtime/vm/malloc_hooks_jemalloc.cc
index b2b5bff657e73b524fc1506e34e6e1bb99426ef9..7add5463de9b501d3163fb21aef8c5a35da403a4 100644
--- a/runtime/vm/malloc_hooks_jemalloc.cc
+++ b/runtime/vm/malloc_hooks_jemalloc.cc
@@ -17,12 +17,10 @@ void MallocHooks::InitOnce() {
   // Do nothing.
 }
 
-
 void MallocHooks::TearDown() {
   // Do nothing.
 }
 
-
 void MallocHooks::PrintToJSONObject(JSONObject* jsobj) {
   // Here, we ignore the value of FLAG_profiler_native_memory because we can
   // gather this information cheaply without hooking into every call to the
@@ -32,7 +30,6 @@ void MallocHooks::PrintToJSONObject(JSONObject* jsobj) {
   jsobj->AddProperty("_heapAllocationCount", allocation_count());
 }
 
-
 intptr_t MallocHooks::heap_allocated_memory_in_bytes() {
   uint64_t epoch = 1;
   size_t epoch_sz = sizeof(epoch);
@@ -50,37 +47,30 @@ intptr_t MallocHooks::heap_allocated_memory_in_bytes() {
   return allocated;
 }
 
-
 intptr_t MallocHooks::allocation_count() {
   return 0;
 }
 
-
 bool MallocHooks::ProfilingEnabled() {
   return false;
 }
 
-
 bool MallocHooks::stack_trace_collection_enabled() {
   return false;
 }
 
-
 void MallocHooks::set_stack_trace_collection_enabled(bool enabled) {
   // Do nothing.
 }
 
-
 void MallocHooks::ResetStats() {
   // Do nothing.
 }
 
-
 bool MallocHooks::Active() {
   return false;
 }
 
-
 Sample* MallocHooks::GetSample(const void* ptr) {
   return NULL;
 }