Replace SmartArrayPointer<T> with unique_ptr<T[]>

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index 29fdc46736c10f0eddd6dd4b55fd5f350ed055eb..a55de48794e354f71bd2ceb7d4f7ff4bcd63ce95 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -5,6 +5,8 @@
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
+#include <memory>
+
 #include "src/assembler.h"
 #include "src/macro-assembler.h"
 
@@ -140,7 +142,7 @@ 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.
-  base::SmartArrayPointer<Register> register_params_;
+  std::unique_ptr<Register[]> register_params_;
 
   // Specifies types for parameters and return
   FunctionType* function_type_;