[crankshaft] Fragmentation-free allocation folding.

src/crankshaft/hydrogen.h

Index: src/crankshaft/hydrogen.h
diff --git a/src/crankshaft/hydrogen.h b/src/crankshaft/hydrogen.h
index e73e700b38a00cb74b17a06202c294a989d188fb..19f922a9bacf3c2844e10e62275ee2758ad111af 100644
--- a/src/crankshaft/hydrogen.h
+++ b/src/crankshaft/hydrogen.h
@@ -1790,18 +1790,6 @@ class HGraphBuilder {
     HAllocate* AllocateArray(HValue* capacity,
                              HValue* length_field,
                              FillMode fill_mode = FILL_WITH_HOLE);
-    // Use these allocators when capacity could be unknown at compile time
-    // but its limit is known. For constant |capacity| the value of
-    // |capacity_upper_bound| is ignored and the actual |capacity|
-    // value is used as an upper bound.
-    HAllocate* AllocateArray(HValue* capacity,
-                             int capacity_upper_bound,
-                             HValue* length_field,
-                             FillMode fill_mode = FILL_WITH_HOLE);
-    HAllocate* AllocateArray(HValue* capacity,
-                             HConstant* capacity_upper_bound,
-                             HValue* length_field,
-                             FillMode fill_mode = FILL_WITH_HOLE);
     HValue* GetElementsLocation() { return elements_location_; }
     HValue* EmitMapCode();