Make CTX allocatable by the register allocator.

runtime/vm/unit_test.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_UNIT_TEST_H_
 #define VM_UNIT_TEST_H_
 
 #include "include/dart_native_api.h"
 
 #include "platform/globals.h"
@@ skipping 331 matching lines @@
 
   SequenceNode* node_sequence() const { return node_sequence_; }
 
   void set_default_parameter_values(const Array& value) {
     default_parameter_values_ = value.raw();
   }
 
   // Compile test and set code in function.
   void Compile();
 
-  LocalVariable* CreateTempConstVariable(const char* name_part);
-
  private:
   Function& function_;
   SequenceNode* node_sequence_;
   Array& default_parameter_values_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenTest);
 };
 
 
 class CompilerTest : public AllStatic {
@@ skipping 43 matching lines @@
       }                                                                        \
     } else {                                                                   \
       dart::Expect(__FILE__, __LINE__).Fail("expected True, but was '%s'\n",   \
           #handle);                                                            \
     }                                                                          \
   } while (0)
 
 }  // namespace dart
 
 #endif  // VM_UNIT_TEST_H_