Move content/browser/power_save_blocker to //device/power_save_blocker

chrome/browser/media/cast_transport_host_filter.cc

Index: chrome/browser/media/cast_transport_host_filter.cc
diff --git a/chrome/browser/media/cast_transport_host_filter.cc b/chrome/browser/media/cast_transport_host_filter.cc
index 49d8fd1a416a2d8839cc7193468a315f442680f9..2c947a87ac4397ee6868f5bbcc2c6fd86a625eb9 100644
--- a/chrome/browser/media/cast_transport_host_filter.cc
+++ b/chrome/browser/media/cast_transport_host_filter.cc
@@ -149,8 +149,8 @@ void CastTransportHostFilter::OnNew(int32_t channel_id,
     DVLOG(1) << ("Preventing the application from being suspended while one or "
                  "more transports are active for Cast Streaming.");
     power_save_blocker_ = content::CreatePowerSaveBlocker(
-        content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
-        content::PowerSaveBlocker::kReasonOther,
+        device::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
+        device::PowerSaveBlocker::kReasonOther,
         "Cast is streaming content to a remote receiver");
   }