Debugger: use debug break slots instead of ICs (except for calls).

src/codegen.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_CODEGEN_H_
 #define V8_CODEGEN_H_
 
 #include "src/code-stubs.h"
 #include "src/runtime/runtime.h"
 
@@ skipping 66 matching lines @@
   static void MakeCodePrologue(CompilationInfo* info, const char* kind);
 
   // Allocate and install the code.
   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
                                        Code::Flags flags,
                                        CompilationInfo* info);
 
   // Print the code after compiling it.
   static void PrintCode(Handle<Code> code, CompilationInfo* info);
 
-  static bool RecordPositions(MacroAssembler* masm,
-                              int pos,
-                              bool right_here = false);
-
  private:
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
 // Results of the library implementation of transcendental functions may differ
 // from the one we use in our generated code.  Therefore we use the same
 // generated code both in runtime and compiled code.
 typedef double (*UnaryMathFunction)(double x);
 
@@ skipping 72 matching lines @@
 #ifdef DEBUG
 #ifdef V8_TARGET_ARCH_ARM64
   const EmbeddedVector<byte, kNoCodeAgeSequenceLength> old_sequence_;
 #endif
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODEGEN_H_