Replaced TestNowSource with SimpleTestTickClock.

cc/surfaces/surface_display_output_surface_unittest.cc

Index: cc/surfaces/surface_display_output_surface_unittest.cc
diff --git a/cc/surfaces/surface_display_output_surface_unittest.cc b/cc/surfaces/surface_display_output_surface_unittest.cc
index ed801e91474a1d03ff9f7962d233e170ed909530..9b67f1f6f7f3a1f05026c8aa59057a4e4eea2683 100644
--- a/cc/surfaces/surface_display_output_surface_unittest.cc
+++ b/cc/surfaces/surface_display_output_surface_unittest.cc
@@ -47,7 +47,8 @@ class FakeOnscreenDisplayClient : public OnscreenDisplayClient {
 class SurfaceDisplayOutputSurfaceTest : public testing::Test {
  public:
   SurfaceDisplayOutputSurfaceTest()
-      : task_runner_(new OrderedSimpleTaskRunner()),
+      : now_src_(new base::SimpleTestTickClock()),
+        task_runner_(new OrderedSimpleTaskRunner(now_src_.get(), true)),
         allocator_(0),
         display_size_(1920, 1080),
         display_rect_(display_size_),
@@ -98,6 +99,7 @@ class SurfaceDisplayOutputSurfaceTest : public testing::Test {
   }
 
  protected:
+  scoped_ptr<base::SimpleTestTickClock> now_src_;
   scoped_refptr<OrderedSimpleTaskRunner> task_runner_;
   SurfaceIdAllocator allocator_;