Optimize HandleApiCallHelper and friends

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 694b93265a67b5d1042f42b74c3fbf8f9ecbb4c3..00082afb520d3a112e7625a98dacce8f2c4572ac 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -10545,13 +10545,9 @@ class FunctionTemplateInfo: public TemplateInfo {
   static const int kSize = kLengthOffset + kPointerSize;
 
   // Returns true if |object| is an instance of this function template.
-  bool IsTemplateFor(Object* object);
+  bool IsTemplateFor(JSObject* object);
   bool IsTemplateFor(Map* map);
 
-  // Returns the holder JSObject if the function can legally be called with this
-  // receiver.  Returns Heap::null_value() if the call is illegal.
-  Object* GetCompatibleReceiver(Isolate* isolate, Object* receiver);
-
  private:
   // Bit position in the flag, from least significant bit position.
   static const int kHiddenPrototypeBit   = 0;