Revert 13117: "Enable stub generation using Hydrogen/Lithium (again)"

src/arm/codegen-arm.h

Index: src/arm/codegen-arm.h
diff --git a/src/arm/codegen-arm.h b/src/arm/codegen-arm.h
index 75899a948e7dcec3a56737a28a6c1f235463c0d0..8f0033e2cebe460b2f62b4ee484cc2fe09a2fa46 100644
--- a/src/arm/codegen-arm.h
+++ b/src/arm/codegen-arm.h
@@ -44,10 +44,6 @@ enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
 
 class CodeGenerator: public AstVisitor {
  public:
-  CodeGenerator() {
-    InitializeAstVisitor();
-  }
-
   static bool MakeCode(CompilationInfo* info);
 
   // Printing of AST, etc. as requested by flags.
@@ -72,8 +68,6 @@ class CodeGenerator: public AstVisitor {
                               int pos,
                               bool right_here = false);
 
-  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
-
  private:
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
@@ -98,10 +92,10 @@ class StringCharLoadGenerator : public AllStatic {
 class MathExpGenerator : public AllStatic {
  public:
   static void EmitMathExp(MacroAssembler* masm,
-                          DwVfpRegister input,
-                          DwVfpRegister result,
-                          DwVfpRegister double_scratch1,
-                          DwVfpRegister double_scratch2,
+                          DoubleRegister input,
+                          DoubleRegister result,
+                          DoubleRegister double_scratch1,
+                          DoubleRegister double_scratch2,
                           Register temp1,
                           Register temp2,
                           Register temp3);