Revert of Speedup access to global_proxy.* attributes/accessors.

src/crankshaft/hydrogen.h

Index: src/crankshaft/hydrogen.h
diff --git a/src/crankshaft/hydrogen.h b/src/crankshaft/hydrogen.h
index 320f1e2b0482c4dddceb10a3686d3bb102bee214..d2f1637d113a250eead2d6d096bac29cd849cdfe 100644
--- a/src/crankshaft/hydrogen.h
+++ b/src/crankshaft/hydrogen.h
@@ -2364,15 +2364,13 @@
 #undef DECLARE_VISIT
 
  private:
-  bool CanInlineGlobalPropertyAccess(Variable* var, LookupIterator* it,
-                                     PropertyAccessType access_type);
-
-  bool CanInlineGlobalPropertyAccess(LookupIterator* it,
-                                     PropertyAccessType access_type);
-
-  void InlineGlobalPropertyLoad(LookupIterator* it, BailoutId ast_id);
-  void InlineGlobalPropertyStore(LookupIterator* it, HValue* value,
-                                 BailoutId ast_id);
+  // Helpers for flow graph construction.
+  enum GlobalPropertyAccess {
+    kUseCell,
+    kUseGeneric
+  };
+  GlobalPropertyAccess LookupGlobalProperty(Variable* var, LookupIterator* it,
+                                            PropertyAccessType access_type);
 
   void EnsureArgumentsArePushedForAccess();
   bool TryArgumentsAccess(Property* expr);