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

chrome/browser/extensions/permission_message_combinations_unittest.cc

Index: chrome/browser/extensions/permission_message_combinations_unittest.cc
diff --git a/chrome/browser/extensions/permission_message_combinations_unittest.cc b/chrome/browser/extensions/permission_message_combinations_unittest.cc
index f2b762a33115bd892dd99787c70dd583aa088b7b..4619b83ed24e34b9d4dfc40599d897fffbcbbd85 100644
--- a/chrome/browser/extensions/permission_message_combinations_unittest.cc
+++ b/chrome/browser/extensions/permission_message_combinations_unittest.cc
@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <memory>
+
 #include "base/command_line.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/test/values_test_util.h"
 #include "chrome/browser/extensions/test_extension_environment.h"
 #include "chrome/common/extensions/permissions/chrome_permission_message_provider.h"
@@ -196,7 +197,7 @@ class PermissionMessageCombinationsUnittest : public testing::Test {
 
  private:
   extensions::TestExtensionEnvironment env_;
-  scoped_ptr<ChromePermissionMessageProvider> message_provider_;
+  std::unique_ptr<ChromePermissionMessageProvider> message_provider_;
   scoped_refptr<const Extension> app_;
   // Whitelist a known extension id so we can test all permissions. This ID
   // will be used for each test app.