Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

device/power_save_blocker/power_save_blocker.h

Index: device/power_save_blocker/power_save_blocker.h
diff --git a/content/public/browser/power_save_blocker.h b/device/power_save_blocker/power_save_blocker.h
similarity index 86%
rename from content/public/browser/power_save_blocker.h
rename to device/power_save_blocker/power_save_blocker.h
index db3c0f25b70c71da8dd7a8866795bbea9da15e82..096d816035d4bbc7f1346a3e08cd8a19bcbb0d7f 100644
--- a/content/public/browser/power_save_blocker.h
+++ b/device/power_save_blocker/power_save_blocker.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_PUBLIC_BROWSER_POWER_SAVE_BLOCKER_H_
-#define CONTENT_PUBLIC_BROWSER_POWER_SAVE_BLOCKER_H_
+#ifndef DEVICE_POWER_SAVE_BLOCKER_POWER_SAVE_BLOCKER_H_
+#define DEVICE_POWER_SAVE_BLOCKER_POWER_SAVE_BLOCKER_H_
 
 #include <memory>
 #include <string>
@@ -11,13 +11,13 @@
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
-#include "content/common/content_export.h"
+#include "device/power_save_blocker/power_save_blocker_export.h"
 
-namespace content {
+namespace device {
 
 // A RAII-style class to block the system from entering low-power (sleep) mode.
 // This class is thread-safe; it may be constructed and deleted on any thread.
-class CONTENT_EXPORT PowerSaveBlocker {
+class DEVICE_POWER_SAVE_BLOCKER_EXPORT PowerSaveBlocker {
  public:
   enum PowerSaveBlockerType {
     // Prevent the application from being suspended. On some platforms, apps may
@@ -59,6 +59,6 @@ class CONTENT_EXPORT PowerSaveBlocker {
       scoped_refptr<base::SingleThreadTaskRunner> file_task_runner);
 };
 
-}  // namespace content
+}  // namespace device
 
-#endif  // CONTENT_PUBLIC_BROWSER_POWER_SAVE_BLOCKER_H_
+#endif  // DEVICE_POWER_SAVE_BLOCKER_POWER_SAVE_BLOCKER_H_