Allow full inlining of f.apply(this, arguments) calls.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1230 matching lines @@
                  BailoutId ast_id,
                  BailoutId return_id,
                  InliningKind inlining_kind);
 
   bool TryInlineCall(Call* expr, bool drop_extra = false);
   bool TryInlineConstruct(CallNew* expr, HValue* implicit_return_value);
   bool TryInlineGetter(Handle<JSFunction> getter, Property* prop);
   bool TryInlineSetter(Handle<JSFunction> setter,
                        Assignment* assignment,
                        HValue* implicit_return_value);
+  bool TryInlineApply(Handle<JSFunction> function,
+                      Call* expr,
+                      int arguments_count);
   bool TryInlineBuiltinMethodCall(Call* expr,
                                   HValue* receiver,
                                   Handle<Map> receiver_map,
                                   CheckType check_type);
   bool TryInlineBuiltinFunctionCall(Call* expr, bool drop_extra);
 
   // If --trace-inlining, print a line of the inlining trace.  Inlining
   // succeeded if the reason string is NULL and failed if there is a
   // non-NULL reason string.
   void TraceInline(Handle<JSFunction> target,
@@ skipping 398 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_