Revert of Use a WeakCell in the CallIC type vector.

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index 51fb9204f200b0be082bde27b64c02096c23857c..8308d83a27688635556e940098dd9a66510589b3 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -28,7 +28,6 @@
   V(FastCloneShallowArray)                    \
   V(FastCloneShallowObject)                   \
   V(CreateAllocationSite)                     \
-  V(CreateWeakCell)                           \
   V(CallFunction)                             \
   V(CallFunctionWithFeedback)                 \
   V(CallFunctionWithFeedbackAndVector)        \
@@ -319,19 +318,6 @@
 };
 
 
-class CreateWeakCellDescriptor : public CallInterfaceDescriptor {
- public:
-  enum ParameterIndices {
-    kVectorIndex,
-    kSlotIndex,
-    kValueIndex,
-    kParameterCount
-  };
-
-  DECLARE_DESCRIPTOR(CreateWeakCellDescriptor, CallInterfaceDescriptor)
-};
-
-
 class CallFunctionDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(CallFunctionDescriptor, CallInterfaceDescriptor)