Load getter from map descriptor instead of embedding it in handler.

src/ic/handler-compiler.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_IC_HANDLER_COMPILER_H_
 #define V8_IC_HANDLER_COMPILER_H_
 
 #include "src/ic/access-compiler.h"
 #include "src/ic/ic-state.h"
 
@@ skipping 115 matching lines @@
   Handle<Code> CompileLoadCallback(Handle<Name> name,
                                    const CallOptimization& call_optimization);
 
   Handle<Code> CompileLoadConstant(Handle<Name> name, int constant_index);
 
   // The LookupIterator is used to perform a lookup behind the interceptor. If
   // the iterator points to a LookupIterator::PROPERTY, its access will be
   // inlined.
   Handle<Code> CompileLoadInterceptor(LookupIterator* it);
 
-  Handle<Code> CompileLoadViaGetter(Handle<Name> name,
-                                    Handle<JSFunction> getter);
+  Handle<Code> CompileLoadViaGetter(Handle<Name> name, int accessor_index,
+                                    int expected_arguments);
 
   Handle<Code> CompileLoadGlobal(Handle<PropertyCell> cell, Handle<Name> name,
                                  bool is_configurable);
 
   // Static interface
   static Handle<Code> ComputeLoadNonexistent(Handle<Name> name,
                                              Handle<HeapType> type);
 
   static void GenerateLoadViaGetter(MacroAssembler* masm, Handle<HeapType> type,
-                                    Register receiver,
-                                    Handle<JSFunction> getter);
+                                    Register receiver, Register holder,
+                                    int accessor_index, int expected_arguments);
 
   static void GenerateLoadViaGetterForDeopt(MacroAssembler* masm) {
-    GenerateLoadViaGetter(masm, Handle<HeapType>::null(), no_reg,
-                          Handle<JSFunction>());
+    GenerateLoadViaGetter(masm, Handle<HeapType>::null(), no_reg, no_reg, -1,
+                          -1);
   }
 
   static void GenerateLoadFunctionPrototype(MacroAssembler* masm,
                                             Register receiver,
                                             Register scratch1,
                                             Register scratch2,
                                             Label* miss_label);
 
   // These constants describe the structure of the interceptor arguments on the
   // stack. The arguments are pushed by the (platform-specific)
@@ skipping 122 matching lines @@
 
   void CompileElementHandlers(MapHandleList* receiver_maps,
                               CodeHandleList* handlers);
 
   static void GenerateStoreSlow(MacroAssembler* masm);
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_IC_HANDLER_COMPILER_H_