Reland of Wake Lock API implementation (Chromium part)

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 4802886938a4dc9816d57cf2cbdd3b68a40deca7..2430410add3e248faf0c0bf8f42aed9d13eed03f 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -58,6 +58,7 @@
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/screen_orientation/screen_orientation_dispatcher_host_impl.h"
 #include "content/browser/site_instance_impl.h"
+#include "content/browser/wake_lock/wake_lock_service_context.h"
 #include "content/browser/web_contents/web_contents_view_guest.h"
 #include "content/browser/webui/generic_handler.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
@@ -420,6 +421,8 @@ WebContentsImpl::WebContentsImpl(BrowserContext* browser_context)
 #if defined(ENABLE_BROWSER_CDMS)
   media_web_contents_observer_.reset(new MediaWebContentsObserver(this));
 #endif
+
+  wake_lock_service_context_.reset(new WakeLockServiceContext(this));
 }
 
 WebContentsImpl::~WebContentsImpl() {
@@ -2067,6 +2070,10 @@ GeolocationServiceContext* WebContentsImpl::GetGeolocationServiceContext() {
   return geolocation_service_context_.get();
 }
 
+WakeLockServiceContext* WebContentsImpl::GetWakeLockServiceContext() {
+  return wake_lock_service_context_.get();
+}
+
 void WebContentsImpl::OnShowValidationMessage(
     const gfx::Rect& anchor_in_root_view,
     const base::string16& main_text,