Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/power_save_blocker_impl.cc

Index: content/browser/power_save_blocker_impl.cc
diff --git a/content/browser/power_save_blocker_impl.cc b/content/browser/power_save_blocker_impl.cc
index 069cd3a327fc6fd35a5381b604a3d02c7e8bb4fe..52cb6a1dde11c4fbb9eb934dff6637e9640b5930 100644
--- a/content/browser/power_save_blocker_impl.cc
+++ b/content/browser/power_save_blocker_impl.cc
@@ -10,11 +10,11 @@ namespace content {
 PowerSaveBlocker::~PowerSaveBlocker() {}
 
 // static
-scoped_ptr<PowerSaveBlocker> PowerSaveBlocker::Create(
+std::unique_ptr<PowerSaveBlocker> PowerSaveBlocker::Create(
     PowerSaveBlockerType type,
     Reason reason,
     const std::string& description) {
-  return scoped_ptr<PowerSaveBlocker>(
+  return std::unique_ptr<PowerSaveBlocker>(
       new PowerSaveBlockerImpl(type, reason, description));
 }