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

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index fc09fe66e5d315fe06f730cc7d7eafe70516ee01..f25ce4df22404f0cacea02404a513d14a60a9ca9 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -239,19 +239,5 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
 #endif  // ENABLE_DISASSEMBLER
 }
 
-
-bool CodeGenerator::RecordPositions(MacroAssembler* masm,
-                                    int pos,
-                                    bool right_here) {
-  if (pos != RelocInfo::kNoPosition) {
-    masm->positions_recorder()->RecordStatementPosition(pos);
-    masm->positions_recorder()->RecordPosition(pos);
-    if (right_here) {
-      return masm->positions_recorder()->WriteRecordedPositions();
-    }
-  }
-  return false;
-}
-
 }  // namespace internal
 }  // namespace v8