remove Isolate::Current from most files starting with 'a'

src/x64/codegen-x64.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 // Forward declarations
 class CompilationInfo;
 
 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
 
 // -------------------------------------------------------------------------
 // CodeGenerator
 
 class CodeGenerator: public AstVisitor {
  public:
-  CodeGenerator() {
-    InitializeAstVisitor();
+  explicit CodeGenerator(Isolate* isolate) {
+    InitializeAstVisitor(isolate);
   }
 
   static bool MakeCode(CompilationInfo* info);
 
   // Printing of AST, etc. as requested by flags.
   static void MakeCodePrologue(CompilationInfo* info, const char* kind);
 
   // Allocate and install the code.
   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
                                        Code::Flags flags,
@@ skipping 107 matching lines @@
   const StackArgumentsAccessorReceiverMode receiver_mode_;
   const int extra_displacement_to_last_argument_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StackArgumentsAccessor);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_CODEGEN_X64_H_