Convert //extensions/renderer from scoped_ptr to std::unique_ptr

extensions/renderer/extensions_render_frame_observer.cc

 // Copyright 2014 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.
 
 #include "extensions/renderer/extensions_render_frame_observer.h"
 
 #include <stddef.h>
 
 #include "base/strings/string_split.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 36 matching lines @@
     index = 1;
   } else if (!stack_trace.empty()) {
     base::SplitStringUsingSubstr(stack_trace,
                                  base::UTF8ToUTF16(kStackFrameDelimiter),
                                  &pieces);
   }
 
   // If we got a stack trace, parse each frame from the text.
   if (index < pieces.size()) {
     for (; index < pieces.size(); ++index) {
-      scoped_ptr<StackFrame> frame = StackFrame::CreateFromText(pieces[index]);
+      std::unique_ptr<StackFrame> frame =
+          StackFrame::CreateFromText(pieces[index]);
       if (frame.get())
         result.push_back(*frame);
     }
   }
 
   if (result.empty()) {  // If we don't have a stack trace, mock one up.
     result.push_back(
         StackFrame(line_number,
                    1u,  // column number
                    source,
@@ skipping 23 matching lines @@
   StackTrace stack_trace = GetStackTraceFromMessage(
       &trimmed_message,
       source,
       stack_trace_string,
       line_number);
   Send(new ExtensionHostMsg_DetailedConsoleMessageAdded(
       routing_id(), trimmed_message, source, stack_trace, severity_level));
 }
 
 }  // namespace extensions