Fix native ARM build

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 47afa93a6e0e637e31255ea4c4fe43ceea5358e5..666a36f6d0edb6c4abf4e25e6e511724106fc862 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -1321,7 +1321,6 @@ class MacroAssembler: public Assembler {
 };
 
 
-#ifdef ENABLE_DEBUGGER_SUPPORT
 // The code patcher is used to patch (typically) small parts of code e.g. for
 // debugging and other types of instrumentation. When using the code patcher
 // the exact number of bytes specified must be emitted. It is not legal to emit
@@ -1351,7 +1350,6 @@ class CodePatcher {
   int size_;  // Number of bytes of the expected patch size.
   MacroAssembler masm_;  // Macro assembler used to generate the code.
 };
-#endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 // -----------------------------------------------------------------------------