[runtime] [proxy] removing JSFunctionProxy and related code.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 6c615ac75610301c8a3f162ee9ccf50bf72b277a..e39eb68b001438ab2de6a3cf2c544ba2cd6688bc 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -69,7 +69,6 @@
 //           - JSDate
 //         - JSMessageObject
 //       - JSProxy
-//         - JSFunctionProxy
 //     - FixedArrayBase
 //       - ByteArray
 //       - BytecodeArray
@@ -439,7 +438,6 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
   V(JS_REGEXP_TYPE)                                             \
                                                                 \
   V(JS_FUNCTION_TYPE)                                           \
-  V(JS_FUNCTION_PROXY_TYPE)                                     \
   V(DEBUG_INFO_TYPE)                                            \
   V(BREAK_POINT_INFO_TYPE)
 
@@ -711,9 +709,8 @@ enum InstanceType {
   // objects in the JS sense. The first and the last type in this range are
   // the two forms of function. This organization enables using the same
   // compares for checking the JS_RECEIVER and the NONCALLABLE_JS_OBJECT range.
-  JS_FUNCTION_PROXY_TYPE,  // FIRST_JS_RECEIVER_TYPE, FIRST_JS_PROXY_TYPE
-  JS_PROXY_TYPE,           // LAST_JS_PROXY_TYPE
-  JS_VALUE_TYPE,           // FIRST_JS_OBJECT_TYPE
+  JS_PROXY_TYPE,  // FIRST_JS_RECEIVER_TYPE
+  JS_VALUE_TYPE,  // FIRST_JS_OBJECT_TYPE
   JS_MESSAGE_OBJECT_TYPE,
   JS_DATE_TYPE,
   JS_OBJECT_TYPE,
@@ -757,16 +754,13 @@ enum InstanceType {
   // are not continuous in this enum! The enum ranges instead reflect the
   // external class names, where proxies are treated as either ordinary objects,
   // or functions.
-  FIRST_JS_RECEIVER_TYPE = JS_FUNCTION_PROXY_TYPE,
+  FIRST_JS_RECEIVER_TYPE = JS_PROXY_TYPE,
   LAST_JS_RECEIVER_TYPE = LAST_TYPE,
   // Boundaries for testing the types represented as JSObject
   FIRST_JS_OBJECT_TYPE = JS_VALUE_TYPE,
   LAST_JS_OBJECT_TYPE = LAST_TYPE,
-  // Boundaries for testing the types represented as JSProxy
-  FIRST_JS_PROXY_TYPE = JS_FUNCTION_PROXY_TYPE,
-  LAST_JS_PROXY_TYPE = JS_PROXY_TYPE,
   //
-  FIRST_NONCALLABLE_SPEC_OBJECT_TYPE = JS_PROXY_TYPE,
+  FIRST_NONCALLABLE_SPEC_OBJECT_TYPE = JS_VALUE_TYPE,
   LAST_NONCALLABLE_SPEC_OBJECT_TYPE = JS_REGEXP_TYPE,
   // Note that the types for which typeof is "function" are not continuous.
   // Define this so that we can put assertions on discrete checks.
@@ -975,7 +969,6 @@ template <class C> inline bool Is(Object* obj);
   V(JSTypedArray)                  \
   V(JSDataView)                    \
   V(JSProxy)                       \
-  V(JSFunctionProxy)               \
   V(JSSet)                         \
   V(JSMap)                         \
   V(JSSetIterator)                 \
@@ -9597,32 +9590,6 @@ class JSProxy: public JSReceiver {
 };
 
 
-class JSFunctionProxy: public JSProxy {
- public:
-  // [call_trap]: The call trap.
-  DECL_ACCESSORS(call_trap, JSReceiver)
-
-  // [construct_trap]: The construct trap.
-  DECL_ACCESSORS(construct_trap, Object)
-
-  DECLARE_CAST(JSFunctionProxy)
-
-  // Dispatched behavior.
-  DECLARE_PRINTER(JSFunctionProxy)
-  DECLARE_VERIFIER(JSFunctionProxy)
-
-  // Layout description.
-  static const int kCallTrapOffset = JSProxy::kSize;
-  static const int kConstructTrapOffset = kCallTrapOffset + kPointerSize;
-  static const int kSize = kConstructTrapOffset + kPointerSize;
-
-  typedef FixedBodyDescriptor<kTargetOffset, kSize, kSize> BodyDescriptor;
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(JSFunctionProxy);
-};
-
-
 class JSCollection : public JSObject {
  public:
   // [table]: the backing hash table