Generalize the API of WakeLockContext mojo interface.

device/wake_lock/wake_lock_service_context.cc

Index: device/wake_lock/wake_lock_service_context.cc
diff --git a/device/wake_lock/wake_lock_service_context.cc b/device/wake_lock/wake_lock_service_context.cc
index 4652b33158452b098cf16c7020e37e1bb672f10f..6f444289d6715b66ae6e786f25cdcdd97c144ea6 100644
--- a/device/wake_lock/wake_lock_service_context.cc
+++ b/device/wake_lock/wake_lock_service_context.cc
@@ -22,14 +22,13 @@ WakeLockServiceContext::WakeLockServiceContext(
 WakeLockServiceContext::~WakeLockServiceContext() {}
 
 void WakeLockServiceContext::GetWakeLock(
+    device::PowerSaveBlocker::PowerSaveBlockerType type,
+    device::PowerSaveBlocker::Reason reason,
+    const std::string& description,
     mojom::WakeLockServiceRequest request) {
   // WakeLockServiceImpl owns itself.
-  new WakeLockServiceImpl(std::move(request),
-                          device::PowerSaveBlocker::PowerSaveBlockerType::
-                              kPowerSaveBlockPreventDisplaySleep,
-                          device::PowerSaveBlocker::Reason::kReasonOther,
-                          "Wake Lock API", context_id_, native_view_getter_,
-                          file_task_runner_);
+  new WakeLockServiceImpl(std::move(request), type, reason, description,
+                          context_id_, native_view_getter_, file_task_runner_);
 }
 
 }  // namespace device