Refactor FrameAndConstantPoolScope and ConstantPoolUnavailableScope to be architecture independent

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index c845a3d7e90836b7f2f297b7e11c2da1969475fe..8991462eabac090a8ad6bb1846afbfe15f4ed3e4 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -998,10 +998,10 @@ void MacroAssembler::Prologue(bool code_pre_aging) {
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type,
-                                bool load_constant_pool) {
+                                bool load_constant_pool_pointer_reg) {
   // r0-r3: preserved
   PushFixedFrame();
-  if (FLAG_enable_ool_constant_pool && load_constant_pool) {
+  if (FLAG_enable_ool_constant_pool && load_constant_pool_pointer_reg) {
     LoadConstantPoolPointerRegister();
   }
   mov(ip, Operand(Smi::FromInt(type)));