[heap] Enforce coding style decl order in {Heap} round #1.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 51d2918f8eb1a02894606e1e4ab230529311134c..e8627aef89cae81b30bd80f986b15f61926afada 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -5409,13 +5409,6 @@ int64_t Heap::PromotedExternalMemorySize() {
 }
 
 
-const double Heap::kMinHeapGrowingFactor = 1.1;
-const double Heap::kMaxHeapGrowingFactor = 4.0;
-const double Heap::kMaxHeapGrowingFactorMemoryConstrained = 2.0;
-const double Heap::kMaxHeapGrowingFactorIdle = 1.5;
-const double Heap::kTargetMutatorUtilization = 0.97;
-
-
 // Given GC speed in bytes per ms, the allocation throughput in bytes per ms
 // (mutator speed), this function returns the heap growing factor that will
 // achieve the kTargetMutatorUtilisation if the GC speed and the mutator speed