[debugger] remove debugger statement support from FCG/CS.

src/mips64/macro-assembler-mips64.h

 // Copyright 2012 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.
 
 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips64/assembler-mips64.h"
@@ skipping 1117 matching lines @@
 
   void IsObjectJSStringType(Register object,
                             Register scratch,
                             Label* fail);
 
   void IsObjectNameType(Register object,
                         Register scratch,
                         Label* fail);
 
   // -------------------------------------------------------------------------
-  // Debugger Support.
-
-  void DebugBreak();
-
-  // -------------------------------------------------------------------------
   // Exception handling.
 
   // Push a new stack handler and link into stack handler chain.
   void PushStackHandler();
 
   // Unlink the stack handler on top of the stack from the stack handler chain.
   // Must preserve the result register.
   void PopStackHandler();
 
   // Initialize fields with filler values.  Fields starting at |current_address|
@@ skipping 829 matching lines @@
     dd(GetLabelFunction(index));
   }
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_