WakeLock API: IPC at browser side.

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 a234cedfb8b6ee64b440a918aca1f99bdb3f4581..3dfaa615bc7b8f6610fe469fbd72570d8fd22a02 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -49,6 +49,7 @@
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/screen_orientation/screen_orientation_dispatcher_host.h"
 #include "content/browser/site_instance_impl.h"
+#include "content/browser/wake_lock/wake_lock_dispatcher_host.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"
@@ -1186,6 +1187,8 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
   screen_orientation_dispatcher_host_.reset(
       new ScreenOrientationDispatcherHost(this));
 
+  wake_lock_dispatcher_host_.reset(new WakeLockDispatcherHost(this));
+
 #if defined(OS_ANDROID)
   date_time_chooser_.reset(new DateTimeChooserAndroid());
 #endif