Revert r31326.

runtime/vm/deferred_objects.h

Index: runtime/vm/deferred_objects.h
===================================================================
--- runtime/vm/deferred_objects.h	(revision 31331)
+++ runtime/vm/deferred_objects.h	(working copy)
@@ -13,7 +13,6 @@
 class Instance;
 class RawInstance;
 class RawObject;
-class DeoptContext;
 
 // Used by the deoptimization infrastructure to defer allocation of
 // unboxed objects until frame is fully rewritten and GC is safe.
@@ -28,7 +27,7 @@
   RawInstance** slot() const { return slot_; }
   DeferredSlot* next() const { return next_; }
 
-  virtual void Materialize(DeoptContext* deopt_context) = 0;
+  virtual void Materialize() = 0;
 
  private:
   RawInstance** const slot_;
@@ -43,7 +42,7 @@
   DeferredDouble(double value, RawInstance** slot, DeferredSlot* next)
       : DeferredSlot(slot, next), value_(value) { }
 
-  virtual void Materialize(DeoptContext* deopt_context);
+  virtual void Materialize();
 
   double value() const { return value_; }
 
@@ -59,7 +58,7 @@
   DeferredMint(int64_t value, RawInstance** slot, DeferredSlot* next)
       : DeferredSlot(slot, next), value_(value) { }
 
-  virtual void Materialize(DeoptContext* deopt_context);
+  virtual void Materialize();
 
   int64_t value() const { return value_; }
 
@@ -76,7 +75,7 @@
                     DeferredSlot* next)
       : DeferredSlot(slot, next), value_(value) { }
 
-  virtual void Materialize(DeoptContext* deopt_context);
+  virtual void Materialize();
 
   simd128_value_t value() const { return value_; }
 
@@ -93,7 +92,7 @@
                    DeferredSlot* next)
       : DeferredSlot(slot, next), value_(value) { }
 
-  virtual void Materialize(DeoptContext* deopt_context);
+  virtual void Materialize();
 
   simd128_value_t value() const { return value_; }
 
@@ -112,7 +111,7 @@
   DeferredObjectRef(intptr_t index, RawInstance** slot, DeferredSlot* next)
       : DeferredSlot(slot, next), index_(index) { }
 
-  virtual void Materialize(DeoptContext* deopt_context);
+  virtual void Materialize();
 
   intptr_t index() const { return index_; }