[counters] Use separate counters for background parsing

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/atomic-utils.h"
@@ skipping 710 matching lines @@
   V(IndexedPropertySetterCallback)                  \
   V(InvokeApiInterruptCallbacks)                    \
   V(InvokeFunctionCallback)                         \
   V(JS_Execution)                                   \
   V(Map_SetPrototype)                               \
   V(Map_TransitionToAccessorProperty)               \
   V(Map_TransitionToDataProperty)                   \
   V(Object_DeleteProperty)                          \
   V(OptimizeCode)                                   \
   V(ParseArrowFunctionLiteral)                      \
+  V(ParseBackgroundArrowFunctionLiteral)            \
+  V(ParseBackgroundFunctionLiteral)                 \
   V(ParseEval)                                      \
   V(ParseFunction)                                  \
   V(ParseFunctionLiteral)                           \
   V(ParseProgram)                                   \
   V(PreParseArrowFunctionLiteral)                   \
+  V(PreParseBackgroundArrowFunctionLiteral)         \
+  V(PreParseBackgroundNoVariableResolution)         \
+  V(PreParseBackgroundWithVariableResolution)       \
   V(PreParseNoVariableResolution)                   \
   V(PreParseWithVariableResolution)                 \
   V(PropertyCallback)                               \
   V(PrototypeMap_TransitionToAccessorProperty)      \
   V(PrototypeMap_TransitionToDataProperty)          \
   V(PrototypeObject_DeleteProperty)                 \
   V(RecompileConcurrent)                            \
   V(RecompileSynchronous)                           \
   /* Dummy counter for the unexpected stub miss. */ \
   V(UnexpectedStubMiss)
@@ skipping 579 matching lines @@
   }
 
   RuntimeCallStats* stats_ = nullptr;
   RuntimeCallTimer timer_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COUNTERS_H_