Refactoring: Make emit_debug_code flag handling architecture-independent.

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h
index 3a264acc3852c120af36dd2b2dcf85e55c901e45..8418aeee143a0e639a1366baa498159f5299ddb6 100644
--- a/src/arm/assembler-arm.h
+++ b/src/arm/assembler-arm.h
@@ -649,9 +649,6 @@ 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.
@@ -1338,8 +1335,6 @@ class Assembler : public AssemblerBase {
   // the relocation info.
   TypeFeedbackId recorded_ast_id_;
 
-  bool emit_debug_code() const { return emit_debug_code_; }
-
   int buffer_space() const { return reloc_info_writer.pos() - pc_; }
 
   // Decode branch instruction at pos and return branch target pos
@@ -1490,9 +1485,6 @@ class Assembler : public AssemblerBase {
   friend class BlockConstPoolScope;
 
   PositionsRecorder positions_recorder_;
-
-  bool emit_debug_code_;
-
   friend class PositionsRecorder;
   friend class EnsureSpace;
 };