Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/platform/WebThreadSupportingGC.h

Index: third_party/WebKit/Source/platform/WebThreadSupportingGC.h
diff --git a/third_party/WebKit/Source/platform/WebThreadSupportingGC.h b/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
index 6a6273e9f5af05e6eb2754cb73bb19cdfa1b55fb..d84ba3e340c3946a22daae0a54aedfa01ccdca6d 100644
--- a/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
+++ b/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
@@ -40,9 +40,9 @@ class PLATFORM_EXPORT WebThreadSupportingGC final {
 
   void PostDelayedTask(const WebTraceLocation& location,
                        std::unique_ptr<WTF::Closure> task,
-                       long long delay_ms) {
+                       WTF::TimeDelta delay) {
     thread_->GetWebTaskRunner()->PostDelayedTask(location, std::move(task),
-                                                 delay_ms);
+                                                 delay);
   }
 
   void PostTask(const WebTraceLocation& location,
@@ -52,9 +52,9 @@ class PLATFORM_EXPORT WebThreadSupportingGC final {
 
   void PostDelayedTask(const WebTraceLocation& location,
                        std::unique_ptr<CrossThreadClosure> task,
-                       long long delay_ms) {
+                       WTF::TimeDelta delay) {
     thread_->GetWebTaskRunner()->PostDelayedTask(location, std::move(task),
-                                                 delay_ms);
+                                                 delay);
   }
 
   bool IsCurrentThread() const { return thread_->IsCurrentThread(); }