Replaced TestNowSource with SimpleTestTickClock.

cc/test/ordered_simple_task_runner.h

Index: cc/test/ordered_simple_task_runner.h
diff --git a/cc/test/ordered_simple_task_runner.h b/cc/test/ordered_simple_task_runner.h
index 68483037359d83d2dc3f90b91403a497979618f6..91ea4be75cdc67f99e607ff90af27bb3cf2171c8 100644
--- a/cc/test/ordered_simple_task_runner.h
+++ b/cc/test/ordered_simple_task_runner.h
@@ -12,9 +12,9 @@
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/trace_event/trace_event.h"
-#include "cc/test/test_now_source.h"
 
 namespace cc {
 
@@ -48,9 +48,7 @@ class TestOrderablePendingTask : public base::TestPendingTask {
 // which don't have a delay even though it is queued early.
 class OrderedSimpleTaskRunner : public base::SingleThreadTaskRunner {
  public:
-  OrderedSimpleTaskRunner();
-  OrderedSimpleTaskRunner(scoped_refptr<TestNowSource> now_src,
-                          bool advance_now);
+  OrderedSimpleTaskRunner(base::SimpleTestTickClock* now_src, bool advance_now);
 
   // base::TestSimpleTaskRunner implementation:
   bool PostDelayedTask(const tracked_objects::Location& from_here,
@@ -62,6 +60,8 @@ class OrderedSimpleTaskRunner : public base::SingleThreadTaskRunner {
 
   bool RunsTasksOnCurrentThread() const override;
 
+  static base::TimeTicks AbsoluteMaxNow();
+
   // Set a maximum number of tasks to run at once. Useful as a timeout to
   // prevent infinite task loops.
   static const size_t kAbsoluteMaxTasks;
@@ -138,7 +138,8 @@ class OrderedSimpleTaskRunner : public base::SingleThreadTaskRunner {
   base::ThreadChecker thread_checker_;
 
   bool advance_now_;
-  scoped_refptr<TestNowSource> now_src_;
+  // Not owned.
+  base::SimpleTestTickClock* now_src_;
 
   size_t max_tasks_;