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

content/browser/devtools/render_frame_devtools_agent_host.h

Index: content/browser/devtools/render_frame_devtools_agent_host.h
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.h b/content/browser/devtools/render_frame_devtools_agent_host.h
index e5d1d83b6ca6d68db164cef3f19c3e13eda40f43..249d9d2da15e5c86c89b60b2cc858611432fbe9a 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -23,6 +23,12 @@ namespace cc {
 class CompositorFrameMetadata;
 }
 
+#if defined(OS_ANDROID)
+namespace device {
+class PowerSaveBlockerImpl;
+}  // namespace device
+#endif
+
 namespace content {
 
 class BrowserContext;
@@ -32,10 +38,6 @@ class FrameTreeNode;
 class NavigationHandle;
 class RenderFrameHostImpl;
 
-#if defined(OS_ANDROID)
-class PowerSaveBlockerImpl;
-#endif
-
 namespace devtools {
 namespace browser { class BrowserHandler; }
 namespace dom { class DOMHandler; }
@@ -171,7 +173,7 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
   std::unique_ptr<devtools::emulation::EmulationHandler> emulation_handler_;
   std::unique_ptr<DevToolsFrameTraceRecorder> frame_trace_recorder_;
 #if defined(OS_ANDROID)
-  std::unique_ptr<PowerSaveBlockerImpl> power_save_blocker_;
+  std::unique_ptr<device::PowerSaveBlockerImpl> power_save_blocker_;
   std::unique_ptr<base::WeakPtrFactory<ui::ViewAndroid>> view_weak_factory_;
 #endif
   std::unique_ptr<DevToolsProtocolHandler> protocol_handler_;