Move SmartPointer to base.

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index 7fa70f1b38c8974222feb936e2aedc16b33b8dd1..e281a149e6fa64f04a5f11c7ab87ef862ac0ffff 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -111,7 +111,7 @@ class CallInterfaceDescriptorData {
   // InterfaceDescriptor, and freed on destruction. This is because static
   // arrays of Registers cause creation of runtime static initializers
   // which we don't want.
-  SmartArrayPointer<Register> register_params_;
+  base::SmartArrayPointer<Register> register_params_;
 
   // Specifies types for parameters and return
   Type::FunctionType* function_type_;