Move Time, TimeDelta and TimeTicks into namespace base.

base/message_loop.h

Index: base/message_loop.h
===================================================================
--- base/message_loop.h	(revision 3954)
+++ base/message_loop.h	(working copy)
@@ -256,10 +256,10 @@
 
   // This structure is copied around by value.
   struct PendingTask {
-    Task* task;              // The task to run.
-    Time  delayed_run_time;  // The time when the task should be run.
-    int   sequence_num;      // Used to facilitate sorting by run time.
-    bool  nestable;          // True if OK to dispatch from a nested loop.
+    Task* task;                   // The task to run.
+    base::Time delayed_run_time;  // The time when the task should be run.
+    int sequence_num;             // Used to facilitate sorting by run time.
+    bool nestable;                // True if OK to dispatch from a nested loop.
 
     PendingTask(Task* task, bool nestable)
         : task(task), sequence_num(0), nestable(nestable) {
@@ -334,7 +334,7 @@
 
   // base::MessagePump::Delegate methods:
   virtual bool DoWork();
-  virtual bool DoDelayedWork(Time* next_delayed_work_time);
+  virtual bool DoDelayedWork(base::Time* next_delayed_work_time);
   virtual bool DoIdleWork();
 
   // Start recording histogram info about events and action IF it was enabled