Refactor fast API call.

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index 33d3995ef5cad196ea970d8aebea3e5b70d470a5..99c024211d4e89c3df75ba1b364745ccc575cb9b 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -680,6 +680,8 @@ class KeyedStoreStubCompiler: public StubCompiler {
   V(MathAbs)
 
 
+class CallOptimization;
+
 class CallStubCompiler: public StubCompiler {
  public:
   CallStubCompiler(int argc,
@@ -706,14 +708,13 @@ class CallStubCompiler: public StubCompiler {
                                                  JSFunction* function,
                                                  String* name);
 
-  static bool HasCustomCallGenerator(BuiltinFunctionId id);
+  static bool HasCustomCallGenerator(JSFunction* function);
 
  private:
   // Compiles a custom call constant/global IC. For constant calls
   // cell is NULL. Returns undefined if there is no custom call code
   // for the given function or it can't be generated.
-  MUST_USE_RESULT MaybeObject* CompileCustomCall(BuiltinFunctionId id,
-                                                 Object* object,
+  MUST_USE_RESULT MaybeObject* CompileCustomCall(Object* object,
                                                  JSObject* holder,
                                                  JSGlobalPropertyCell* cell,
                                                  JSFunction* function,
@@ -728,6 +729,14 @@ class CallStubCompiler: public StubCompiler {
   CUSTOM_CALL_IC_GENERATORS(DECLARE_CALL_GENERATOR)
 #undef DECLARE_CALL_GENERATOR
 
+  MUST_USE_RESULT MaybeObject* CompileFastApiCall(
+      const CallOptimization& optimization,
+      Object* object,
+      JSObject* holder,
+      JSGlobalPropertyCell* cell,
+      JSFunction* function,
+      String* name);
+
   const ParameterCount arguments_;
   const InLoopFlag in_loop_;
   const Code::Kind kind_;