Revert of [debugger] remove debugger statement support from FCG/CS.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index be9364291ed28aab641b32b5530df0ede286c6a7..90f05aefb81355229eecd261df9819545f38f55d 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -671,6 +671,14 @@
   pop(js_function);
 
   bind(&done);
+}
+
+void MacroAssembler::DebugBreak() {
+  Move(eax, Immediate(0));
+  mov(ebx, Immediate(ExternalReference(Runtime::kHandleDebuggerStatement,
+                                       isolate())));
+  CEntryStub ces(isolate(), 1);
+  call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT);
 }
 
 void MacroAssembler::MaybeDropFrames() {