[ic] Support data handlers that represent loads from prototypes.

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 711 matching lines @@
   V(KeyedLoadIC_SlowStub)                       \
   V(KeyedStoreIC_KeyedStoreSloppyArgumentsStub) \
   V(KeyedStoreIC_StoreFastElementStub)          \
   V(KeyedStoreIC_StoreElementStub)              \
   V(KeyedStoreIC_Polymorphic)                   \
   V(LoadIC_FunctionPrototypeStub)               \
   V(LoadIC_LoadApiGetterStub)                   \
   V(LoadIC_LoadCallback)                        \
   V(LoadIC_LoadConstant)                        \
   V(LoadIC_LoadConstantStub)                    \
+  V(LoadIC_LoadFieldDH)                         \
+  V(LoadIC_LoadFieldFromPrototypeDH)            \
   V(LoadIC_LoadField)                           \
   V(LoadIC_LoadFieldStub)                       \
   V(LoadIC_LoadGlobal)                          \
   V(LoadIC_LoadInterceptor)                     \
   V(LoadIC_LoadNonexistent)                     \
   V(LoadIC_LoadNormal)                          \
   V(LoadIC_LoadScriptContextFieldStub)          \
   V(LoadIC_LoadViaGetter)                       \
   V(LoadIC_SlowStub)                            \
   V(LoadIC_StringLengthStub)                    \
@@ skipping 524 matching lines @@
   }
 
   Isolate* isolate_ = nullptr;
   RuntimeCallTimer timer_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_