Switch to using TimeTicks rather than Time in message loops

base/message_pump.h

Index: base/message_pump.h
===================================================================
--- base/message_pump.h	(revision 65315)
+++ base/message_pump.h	(working copy)
@@ -10,7 +10,7 @@
 
 namespace base {
 
-class Time;
+class TimeTicks;
 
 class MessagePump : public RefCountedThreadSafe<MessagePump> {
  public:
@@ -33,7 +33,7 @@
     // |next_delayed_work_time| is null (per Time::is_null), then the queue of
     // future delayed work (timer events) is currently empty, and no additional
     // calls to this function need to be scheduled.
-    virtual bool DoDelayedWork(Time* next_delayed_work_time) = 0;
+    virtual bool DoDelayedWork(TimeTicks* next_delayed_work_time) = 0;
 
     // Called from within Run just before the message pump goes to sleep.
     // Returns true to indicate that idle work was done.
@@ -116,7 +116,7 @@
   // Schedule a DoDelayedWork callback to happen at the specified time,
   // cancelling any pending DoDelayedWork callback.  This method may only be
   // used on the thread that called Run.
-  virtual void ScheduleDelayedWork(const Time& delayed_work_time) = 0;
+  virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) = 0;
 };
 
 }  // namespace base