Move geolocation timer to frame-specific TaskRunnerTimer.

third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp

Index: third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp
diff --git a/third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp b/third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp
index 0d78f5b4e2c1e4d3f7c5db00a3b36597d04620ef..2b11b080fec7c7eb7190af7c309655ce6893eadd 100644
--- a/third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp
+++ b/third_party/WebKit/Source/modules/geolocation/GeoNotifier.cpp
@@ -4,6 +4,7 @@
 
 #include "modules/geolocation/GeoNotifier.h"
 
+#include "core/dom/TaskRunnerHelper.h"
 #include "modules/geolocation/Geolocation.h"
 #include "modules/geolocation/PositionError.h"
 #include "modules/geolocation/PositionOptions.h"
@@ -20,7 +21,9 @@ GeoNotifier::GeoNotifier(Geolocation* geolocation,
       m_successCallback(successCallback),
       m_errorCallback(errorCallback),
       m_options(options),
-      m_timer(this, &GeoNotifier::timerFired),
+      m_timer(TaskRunnerHelper::get(TaskType::Timer, geolocation->frame()),

[haraken, 2017/01/18 23:30:56]

Do you have any spec that says this should use the timer task source?

Basically the timer task source is for JS timers (setTimeout). If this is an
unspeced task, we should use UnspecedTimer.

+              this,
+              &GeoNotifier::timerFired),
       m_useCachedPosition(false) {
   DCHECK(m_geolocation);
   DCHECK(m_successCallback);