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

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 502fc12606b73566eeff2fae04e399a17b497d54..a957311fed507a0a3065ca018fac5c8ca84be093 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -68,12 +68,6 @@
 class CompositorFrameAck;
 }
 
-#if defined(OS_MACOSX)
-namespace device {
-class PowerSaveBlocker;
-}  // namespace device
-#endif
-
 namespace gfx {
 class Range;
 }
@@ -92,6 +86,10 @@
 struct EditCommand;
 struct ResizeParams;
 struct TextInputState;
+
+#if defined(OS_MACOSX)
+class PowerSaveBlocker;
+#endif
 
 // This implements the RenderWidgetHost interface that is exposed to
 // embedders of content, and adds things only visible to content.
@@ -831,7 +829,7 @@
   base::TimeDelta new_content_rendering_delay_;
 
 #if defined(OS_MACOSX)
-  std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
+  std::unique_ptr<PowerSaveBlocker> power_save_blocker_;
 #endif
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;