Revert of Per WebViewScheduler virtual time

third_party/WebKit/Source/platform/Timer.h

Index: third_party/WebKit/Source/platform/Timer.h
diff --git a/third_party/WebKit/Source/platform/Timer.h b/third_party/WebKit/Source/platform/Timer.h
index c5423b6625c2d6893384515e7ba15380fd454912..8354eca242672535b65684e9c9b053b6decff659 100644
--- a/third_party/WebKit/Source/platform/Timer.h
+++ b/third_party/WebKit/Source/platform/Timer.h
@@ -67,7 +67,7 @@
     double repeatInterval() const { return m_repeatInterval; }
 
     void augmentRepeatInterval(double delta) {
-        double now = timerMonotonicallyIncreasingTime();
+        double now = monotonicallyIncreasingTime();
         setNextFireTime(now, m_nextFireTime - now + delta);
         m_repeatInterval += delta;
     }
@@ -82,12 +82,10 @@
 private:
     virtual void fired() = 0;
 
-    virtual WebTaskRunner* timerTaskRunner() const;
+    virtual WebTaskRunner* timerTaskRunner();
 
     NO_LAZY_SWEEP_SANITIZE_ADDRESS
     virtual bool canFire() const { return true; }
-
-    double timerMonotonicallyIncreasingTime() const;
 
     void setNextFireTime(double now, double delay);