Refactor FrameAndConstantPoolScope and ConstantPoolUnavailableScope to be architecture independent

src/x87/macro-assembler-x87.cc

Index: src/x87/macro-assembler-x87.cc
diff --git a/src/x87/macro-assembler-x87.cc b/src/x87/macro-assembler-x87.cc
index 36e4a77507d3b2ffe0e7836f350c9bef1835de7a..0b71b28d2b40d8042dabf42d7fbebd46eae3a418 100644
--- a/src/x87/macro-assembler-x87.cc
+++ b/src/x87/macro-assembler-x87.cc
@@ -860,6 +860,13 @@ void MacroAssembler::Prologue(bool code_pre_aging) {
 }
 
 
+void MacroAssembler::EnterFrame(StackFrame::Type type,
+                                bool load_constant_pool_pointer_reg) {
+  // Constant pool not implemented on x87.
+  UNREACHABLE();
+}
+
+
 void MacroAssembler::EnterFrame(StackFrame::Type type) {
   push(ebp);
   mov(ebp, esp);