Add convenience static members of Type: Smi and Mint.

runtime/vm/object.h

 // Copyright (c) 2012, 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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 543 matching lines @@
   }
 
   // Returns the list of classes having this class as direct superclass.
   RawGrowableObjectArray* direct_subclasses() const {
     return raw_ptr()->direct_subclasses_;
   }
   void AddDirectSubclass(const Class& subclass) const;
   // TODO(regis): Implement RemoveDirectSubclass for class unloading support.
 
   // Check if this class represents the class of null.
-  bool IsNullClass() const { return raw() == Object::null_class(); }
+  bool IsNullClass() const { return id() == kNullCid; }
 
   // Check if this class represents the 'Dynamic' class.
-  bool IsDynamicClass() const { return raw() == Object::dynamic_class(); }
+  bool IsDynamicClass() const { return id() == kDynamicCid; }
 
   // Check if this class represents the 'void' class.
-  bool IsVoidClass() const { return raw() == Object::void_class(); }
+  bool IsVoidClass() const { return id() == kVoidCid; }
 
   // Check if this class represents the 'Object' class.
-  bool IsObjectClass() const;
+  bool IsObjectClass() const { return id() == kInstanceCid; }
 
   // Check if this class represents a signature class.
   bool IsSignatureClass() const {
     return signature_function() != Object::null();
   }
   static bool IsSignatureClass(RawClass* cls) {
     return cls->ptr()->signature_function_ != Object::null();
   }
 
   // Check if this class represents a canonical signature class, i.e. not an
@@ skipping 398 matching lines @@
 
   // The 'Object' type.
   static RawType* ObjectType();
 
   // The 'bool' interface type.
   static RawType* BoolInterface();
 
   // The 'int' interface type.
   static RawType* IntInterface();
 
+  // The 'Smi' type.
+  static RawType* SmiType();
+
+  // The 'Mint' type.
+  static RawType* MintType();
+
   // The 'double' interface type.
   static RawType* DoubleInterface();
 
   // The 'num' interface type.
   static RawType* Number();
 
   // The 'String' interface type.
   static RawType* StringInterface();
 
   // The 'Function' interface type.
@@ skipping 4526 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_