Revert of Wake Lock API implementation (Chromium part)

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 4c5aa652913424bae053134294d1c9c45625e135..f5d90c62c10cfa3267f72f938a5122b6eb5c275a 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -106,7 +106,6 @@
 #include "content/renderer/shared_worker_repository.h"
 #include "content/renderer/skia_benchmarking_extension.h"
 #include "content/renderer/stats_collection_controller.h"
-#include "content/renderer/wake_lock/wake_lock_dispatcher.h"
 #include "content/renderer/web_ui_extension.h"
 #include "content/renderer/websharedworker_proxy.h"
 #include "gin/modules/module_registry.h"
@@ -737,7 +736,6 @@
 #endif
       has_played_media_(false),
       devtools_agent_(nullptr),
-      wakelock_dispatcher_(nullptr),
       geolocation_dispatcher_(NULL),
       push_messaging_dispatcher_(NULL),
       presentation_dispatcher_(NULL),
@@ -3577,12 +3575,6 @@
   impl->set_render_frame_id(routing_id_);
 }
 
-blink::WebWakeLockClient* RenderFrameImpl::wakeLockClient() {
-  if (!wakelock_dispatcher_)
-    wakelock_dispatcher_ = new WakeLockDispatcher(this);
-  return wakelock_dispatcher_;
-}
-
 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
   if (!geolocation_dispatcher_)
     geolocation_dispatcher_ = new GeolocationDispatcher(this);