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

src/string-stream.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_STRING_STREAM_H_
 #define V8_STRING_STREAM_H_
 
+#include <memory>
+
 #include "src/allocation.h"
 #include "src/base/smart-pointers.h"
 #include "src/handles.h"
 #include "src/vector.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class ByteArray;
@@ skipping 110 matching lines @@
            FmtElm arg1,
            FmtElm arg2,
            FmtElm arg3,
            FmtElm arg4);
 
   // Getting the message out.
   void OutputToFile(FILE* out);
   void OutputToStdOut() { OutputToFile(stdout); }
   void Log(Isolate* isolate);
   Handle<String> ToString(Isolate* isolate);
-  base::SmartArrayPointer<const char> ToCString() const;
+  std::unique_ptr<char[]> ToCString() const;
   int length() const { return length_; }
 
   // Object printing support.
   void PrintName(Object* o);
   void PrintFixedArray(FixedArray* array, unsigned int limit);
   void PrintByteArray(ByteArray* ba);
   void PrintUsingMap(JSObject* js_object);
   void PrintPrototype(JSFunction* fun, Object* receiver);
   void PrintSecurityTokenIfChanged(Object* function);
   // NOTE: Returns the code in the output parameter.
@@ skipping 26 matching lines @@
   bool full() const { return (capacity_ - length_) == 1; }
   int space() const { return capacity_ - length_; }
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringStream);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_STRING_STREAM_H_