Generalize the API of WakeLockContext mojo interface.

device/wake_lock/wake_lock_service_context.h

Index: device/wake_lock/wake_lock_service_context.h
diff --git a/device/wake_lock/wake_lock_service_context.h b/device/wake_lock/wake_lock_service_context.h
index f5c5fd9c312f60a6ec20ba29a70f1fdc5777b74a..3c3eda640f833453e1754726ba65fe685f6aa43f 100644
--- a/device/wake_lock/wake_lock_service_context.h
+++ b/device/wake_lock/wake_lock_service_context.h
@@ -16,6 +16,8 @@
 
 namespace device {
 
+class PowerSaveBlocker;
+
 // Callback that maps a context ID to the NativeView associated with
 // that context. This callback is provided to the Device Service by its
 // embedder.
@@ -31,7 +33,10 @@ class WakeLockServiceContext : public mojom::WakeLockContext {
   ~WakeLockServiceContext() override;
 
   // mojom::WakeLockContext:
-  void GetWakeLock(mojom::WakeLockServiceRequest request) override;
+  void GetWakeLock(device::PowerSaveBlocker::PowerSaveBlockerType type,
+                   device::PowerSaveBlocker::Reason reason,
+                   const std::string& description,
+                   mojom::WakeLockServiceRequest request) override;
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;