[runtime] [proxy] removing JSFunctionProxy and related code.

src/crankshaft/hydrogen.cc

 // Copyright 2013 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.
 
 #include "src/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 12298 matching lines @@
   HValue* value = Pop();
   HIfContinuation continuation;
   IfBuilder if_proxy(this);
 
   HValue* smicheck = if_proxy.IfNot<HIsSmiAndBranch>(value);
   if_proxy.And();
   HValue* map = Add<HLoadNamedField>(value, smicheck, HObjectAccess::ForMap());
   HValue* instance_type =
       Add<HLoadNamedField>(map, nullptr, HObjectAccess::ForMapInstanceType());
   if_proxy.If<HCompareNumericAndBranch>(
-      instance_type, Add<HConstant>(FIRST_JS_PROXY_TYPE), Token::GTE);
-  if_proxy.And();
-  if_proxy.If<HCompareNumericAndBranch>(
-      instance_type, Add<HConstant>(LAST_JS_PROXY_TYPE), Token::LTE);
+      instance_type, Add<HConstant>(JS_PROXY_TYPE), Token::EQ);
 
   if_proxy.CaptureContinuation(&continuation);
   return ast_context()->ReturnContinuation(&continuation, call->id());
 }
 
 
 void HOptimizedGraphBuilder::GenerateHasFastPackedElements(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 1);
   CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
   HValue* object = Pop();
@@ skipping 1279 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8