Refactoring: Make emit_debug_code flag handling architecture-independent.

src/ia32/assembler-ia32.h

Index: src/ia32/assembler-ia32.h
diff --git a/src/ia32/assembler-ia32.h b/src/ia32/assembler-ia32.h
index 017abccad9bce467837ca3472bf69c5b79e5c964..9fb7baa478d30f622e9269891e46f1e89a034a21 100644
--- a/src/ia32/assembler-ia32.h
+++ b/src/ia32/assembler-ia32.h
@@ -584,9 +584,6 @@ class Assembler : public AssemblerBase {
   Assembler(Isolate* isolate, void* buffer, int buffer_size);
   ~Assembler();
 
-  // Overrides the default provided by FLAG_debug_code.
-  void set_emit_debug_code(bool value) { emit_debug_code_ = value; }
-
   // GetCode emits any pending (non-emitted) code and fills the descriptor
   // desc. GetCode() is idempotent; it returns the same result if no other
   // Assembler functions are invoked in between GetCode() calls.
@@ -1120,8 +1117,6 @@ class Assembler : public AssemblerBase {
   void set_byte_at(int pos, byte value) { buffer_[pos] = value; }
 
  protected:
-  bool emit_debug_code() const { return emit_debug_code_; }
-
   void movsd(XMMRegister dst, const Operand& src);
   void movsd(const Operand& dst, XMMRegister src);
 
@@ -1194,9 +1189,6 @@ class Assembler : public AssemblerBase {
   RelocInfoWriter reloc_info_writer;
 
   PositionsRecorder positions_recorder_;
-
-  bool emit_debug_code_;
-
   friend class PositionsRecorder;
 };