Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/chrome_extension_web_contents_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 "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
@@ skipping 101 matching lines @@
     const StackTrace& stack_trace,
     int32_t severity_level) {
   if (!IsSourceFromAnExtension(source))
     return;
 
   std::string extension_id = GetExtensionIdFromFrame(render_frame_host);
   if (extension_id.empty())
     extension_id = GURL(source).host();
 
   ErrorConsole::Get(browser_context())
-      ->ReportError(scoped_ptr<ExtensionError>(new RuntimeError(
+      ->ReportError(std::unique_ptr<ExtensionError>(new RuntimeError(
           extension_id, browser_context()->IsOffTheRecord(), source, message,
           stack_trace, web_contents()->GetLastCommittedURL(),
           static_cast<logging::LogSeverity>(severity_level),
           render_frame_host->GetRoutingID(),
           render_frame_host->GetProcess()->GetID())));
 }
 
 void ChromeExtensionWebContentsObserver::InitializeRenderFrame(
     content::RenderFrameHost* render_frame_host) {
   ExtensionWebContentsObserver::InitializeRenderFrame(render_frame_host);
@@ skipping 89 matching lines @@
     if (rappor::RapporService* rappor = g_browser_process->rappor_service()) {
       const std::string& extension_id =
           parent_is_extension ? parent_url.host() : frame_url.host();
       rappor->RecordSample("Extensions.AffectedByIsolateExtensions",
                            rappor::UMA_RAPPOR_TYPE, extension_id);
     }
   }
 }
 
 }  // namespace extensions