Simplify AssemblerPositionsRecorder.

src/x87/assembler-x87.cc

Index: src/x87/assembler-x87.cc
diff --git a/src/x87/assembler-x87.cc b/src/x87/assembler-x87.cc
index 3716d8ecf14f62e633be0340355b20f6eeae8d49..c7757a4d2a2b7c578e9a57c13e6da6f4c0a88218 100644
--- a/src/x87/assembler-x87.cc
+++ b/src/x87/assembler-x87.cc
@@ -1414,7 +1414,6 @@ void Assembler::bind(Label* L) {
 
 
 void Assembler::call(Label* L) {
-  positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   if (L->is_bound()) {
     const int long_size = 5;
@@ -1432,7 +1431,6 @@ void Assembler::call(Label* L) {
 
 
 void Assembler::call(byte* entry, RelocInfo::Mode rmode) {
-  positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   DCHECK(!RelocInfo::IsCodeTarget(rmode));
   EMIT(0xE8);
@@ -1451,7 +1449,6 @@ int Assembler::CallSize(const Operand& adr) {
 
 
 void Assembler::call(const Operand& adr) {
-  positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   EMIT(0xFF);
   emit_operand(edx, adr);
@@ -1466,7 +1463,6 @@ int Assembler::CallSize(Handle<Code> code, RelocInfo::Mode rmode) {
 void Assembler::call(Handle<Code> code,
                      RelocInfo::Mode rmode,
                      TypeFeedbackId ast_id) {
-  positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);
   DCHECK(RelocInfo::IsCodeTarget(rmode)
       || rmode == RelocInfo::CODE_AGE_SEQUENCE);