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

chrome/browser/sync/test/integration/sync_extension_helper.cc

Index: chrome/browser/sync/test/integration/sync_extension_helper.cc
diff --git a/chrome/browser/sync/test/integration/sync_extension_helper.cc b/chrome/browser/sync/test/integration/sync_extension_helper.cc
index 36edbbe68e1d0407969de926bd4a56c3e9351c2e..586d5145b8e18cce6ac361ce4ce49393e4bba948 100644
--- a/chrome/browser/sync/test/integration/sync_extension_helper.cc
+++ b/chrome/browser/sync/test/integration/sync_extension_helper.cc
@@ -103,7 +103,7 @@ std::vector<std::string> SyncExtensionHelper::GetInstalledExtensionNames(
     Profile* profile) const {
   std::vector<std::string> names;
 
-  scoped_ptr<const extensions::ExtensionSet> extensions(
+  std::unique_ptr<const extensions::ExtensionSet> extensions(
       extensions::ExtensionRegistry::Get(profile)
           ->GenerateInstalledExtensionsSet());
   for (extensions::ExtensionSet::const_iterator it = extensions->begin();
@@ -211,7 +211,7 @@ SyncExtensionHelper::ExtensionStateMap
 
   ExtensionStateMap extension_state_map;
 
-  scoped_ptr<const extensions::ExtensionSet> extensions(
+  std::unique_ptr<const extensions::ExtensionSet> extensions(
       extensions::ExtensionRegistry::Get(profile)
           ->GenerateInstalledExtensionsSet());