Cleanup: we are not patching entries any longer

runtime/vm/code_patcher.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Class for patching compiled code.
 
 #ifndef VM_CODE_PATCHER_H_
 #define VM_CODE_PATCHER_H_
 
 #include "vm/allocation.h"
 #include "vm/native_entry.h"
@@ skipping 31 matching lines @@
 
 class CodePatcher : public AllStatic {
  public:
   // Dart static calls have a distinct, machine-dependent code pattern.
 
   // Patch static call before return_address in given code to the new target.
   static void PatchStaticCallAt(uword return_address,
                                 const Code& code,
                                 const Code& new_target);
 
-  // Patch entry point with a jump as specified in the code's patch region.
-  static void PatchEntry(const Code& code, const Code& new_code);
-
-  // Restore entry point with original code (i.e., before patching).
-  static void RestoreEntry(const Code& code);
-
-  // Has the entry been patched?
-  static bool IsEntryPatched(const Code& code);
-
   // Return the target address of the static call before return_address
   // in given code.
   static RawCode* GetStaticCallTargetAt(uword return_address, const Code& code);
 
   // Get instance call information.  Returns the call target and sets each
   // of the output parameters ic_data and arguments_descriptor if they are
   // non-NULL.
   static RawCode* GetInstanceCallAt(uword return_address,
                                     const Code& code,
                                     ICData* ic_data);
@@ skipping 18 matching lines @@
 
   static void PatchNativeCallAt(uword return_address,
                                 const Code& code,
                                 NativeFunction target,
                                 const Code& trampoline);
 };
 
 }  // namespace dart
 
 #endif  // VM_CODE_PATCHER_H_