Cleanup typed array setters, the property is guaranteed to be there.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 84bafab59c5e5917c86bda8d8c079bb753f66dff..e2df0dfaa6332605a839a8d2ec8e0c2d2408528c 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2432,8 +2432,8 @@ class FixedArray: public FixedArrayBase {
  public:
   // Setter and getter for elements.
   inline Object* get(int index) const;
-  static void SetValue(Handle<JSObject> holder, Handle<FixedArray> array,
-                       uint32_t index, Handle<Object> value);
+  static void SetValue(Handle<FixedArray> array, uint32_t index,
+                       Handle<Object> value);
   static inline Handle<Object> get(Handle<FixedArray> array, int index);
   // Setter that uses write barrier.
   inline void set(int index, Object* value);
@@ -2556,8 +2556,8 @@ class FixedDoubleArray: public FixedArrayBase {
   inline uint64_t get_representation(int index);
   static inline Handle<Object> get(Handle<FixedDoubleArray> array, int index);
   // This accessor has to get a Number as |value|.
-  static void SetValue(Handle<JSObject> holder, Handle<FixedDoubleArray> array,
-                       uint32_t index, Handle<Object> value);
+  static void SetValue(Handle<FixedDoubleArray> array, uint32_t index,
+                       Handle<Object> value);
   inline void set(int index, double value);
   inline void set_the_hole(int index);
 
@@ -4392,8 +4392,7 @@ class ExternalUint8ClampedArray: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined and clamps the converted value between 0 and 255.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalUint8ClampedArray> array, uint32_t index,
+  static void SetValue(Handle<ExternalUint8ClampedArray> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalUint8ClampedArray)
@@ -4416,8 +4415,8 @@ class ExternalInt8Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder, Handle<ExternalInt8Array> array,
-                       uint32_t index, Handle<Object> value);
+  static void SetValue(Handle<ExternalInt8Array> array, uint32_t index,
+                       Handle<Object> value);
 
   DECLARE_CAST(ExternalInt8Array)
 
@@ -4439,8 +4438,7 @@ class ExternalUint8Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalUint8Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalUint8Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalUint8Array)
@@ -4463,8 +4461,7 @@ class ExternalInt16Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalInt16Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalInt16Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalInt16Array)
@@ -4488,8 +4485,7 @@ class ExternalUint16Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalUint16Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalUint16Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalUint16Array)
@@ -4512,8 +4508,7 @@ class ExternalInt32Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalInt32Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalInt32Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalInt32Array)
@@ -4537,8 +4532,7 @@ class ExternalUint32Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalUint32Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalUint32Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalUint32Array)
@@ -4562,8 +4556,7 @@ class ExternalFloat32Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalFloat32Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalFloat32Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalFloat32Array)
@@ -4587,8 +4580,7 @@ class ExternalFloat64Array: public ExternalArray {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<ExternalFloat64Array> array, uint32_t index,
+  static void SetValue(Handle<ExternalFloat64Array> array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_CAST(ExternalFloat64Array)
@@ -4657,8 +4649,7 @@ class FixedTypedArray: public FixedTypedArrayBase {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  static void SetValue(Handle<JSObject> holder,
-                       Handle<FixedTypedArray<Traits> > array, uint32_t index,
+  static void SetValue(Handle<FixedTypedArray<Traits> > array, uint32_t index,
                        Handle<Object> value);
 
   DECLARE_PRINTER(FixedTypedArray)