Revert of Move content/browser/power_save_blocker to //device/power_save_blocker

content/browser/loader/power_save_block_resource_throttle.h

Index: content/browser/loader/power_save_block_resource_throttle.h
diff --git a/content/browser/loader/power_save_block_resource_throttle.h b/content/browser/loader/power_save_block_resource_throttle.h
index 7e4b9baa1aee2bb37197085ff78ac2833354116d..3f6f1d363d7209cfed9c5c0d8566e8c4996d74db 100644
--- a/content/browser/loader/power_save_block_resource_throttle.h
+++ b/content/browser/loader/power_save_block_resource_throttle.h
@@ -13,11 +13,9 @@
 #include "base/timer/timer.h"
 #include "content/public/browser/resource_throttle.h"
 
-namespace device {
+namespace content {
+
 class PowerSaveBlocker;
-}  // namespace device
-
-namespace content {
 
 // This ResourceThrottle blocks power save until large upload request finishes.
 class PowerSaveBlockResourceThrottle : public ResourceThrottle {
@@ -35,7 +33,7 @@
 
   const std::string host_;
   base::OneShotTimer timer_;
-  std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
+  std::unique_ptr<PowerSaveBlocker> power_save_blocker_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerSaveBlockResourceThrottle);
 };