Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/stack_frame.h

 // Copyright 2013 The Chromium 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 EXTENSIONS_COMMON_STACK_FRAME_H_
 #define EXTENSIONS_COMMON_STACK_FRAME_H_
 
 #include <stddef.h>
 
+#include <memory>
 #include <vector>
 
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 
 namespace extensions {
 
 struct StackFrame {
   StackFrame();
   StackFrame(const StackFrame& frame);
   StackFrame(uint32_t line_number,
              uint32_t column_number,
              const base::string16& source,
              const base::string16& function);
   ~StackFrame();
 
   // Construct a stack frame from a reported plain-text frame.
-  static scoped_ptr<StackFrame> CreateFromText(
+  static std::unique_ptr<StackFrame> CreateFromText(
       const base::string16& frame_text);
 
   bool operator==(const StackFrame& rhs) const;
 
   // Note: we use uint32_t instead of size_t because this struct is sent over
   // IPC which could span 32 & 64 bit processes. This is fine since line numbers
   // and column numbers shouldn't exceed UINT32_MAX even on 64 bit builds.
   uint32_t line_number;
   uint32_t column_number;
   base::string16 source;
   base::string16 function;  // optional
 };
 
 typedef std::vector<StackFrame> StackTrace;
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_STACK_FRAME_H_