[ic] Support data handlers that represent simple field stores.

src/counters.h

 // Copyright 2012 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_COUNTERS_H_
 #define V8_COUNTERS_H_
 
 #include "include/v8.h"
 #include "src/allocation.h"
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 731 matching lines @@
   V(LoadIC_LoadInterceptor)                     \
   V(LoadIC_LoadNonexistent)                     \
   V(LoadIC_LoadNormal)                          \
   V(LoadIC_LoadScriptContextFieldStub)          \
   V(LoadIC_LoadViaGetter)                       \
   V(LoadIC_SlowStub)                            \
   V(LoadIC_StringLengthStub)                    \
   V(StoreIC_SlowStub)                           \
   V(StoreIC_StoreCallback)                      \
   V(StoreIC_StoreField)                         \
+  V(StoreIC_StoreFieldDH)                       \
   V(StoreIC_StoreFieldStub)                     \
   V(StoreIC_StoreGlobal)                        \
   V(StoreIC_StoreGlobalTransition)              \
   V(StoreIC_StoreInterceptorStub)               \
   V(StoreIC_StoreNormal)                        \
   V(StoreIC_StoreScriptContextFieldStub)        \
   V(StoreIC_StoreTransition)                    \
   V(StoreIC_StoreViaSetter)
 
 class RuntimeCallStats {
@@ skipping 510 matching lines @@
   }
 
   Isolate* isolate_ = nullptr;
   RuntimeCallTimer timer_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_