Change ui::Event::time_stamp from TimeDelta to TimeTicks

content/browser/media/capture/cursor_renderer_aura_unittest.cc

Index: content/browser/media/capture/cursor_renderer_aura_unittest.cc
diff --git a/content/browser/media/capture/cursor_renderer_aura_unittest.cc b/content/browser/media/capture/cursor_renderer_aura_unittest.cc
index c3989455eb8ead486a48a7049f428fbe7e0af1a2..d4577b1ed18d68dd43f2b1342b05842e74e211e9 100644
--- a/content/browser/media/capture/cursor_renderer_aura_unittest.cc
+++ b/content/browser/media/capture/cursor_renderer_aura_unittest.cc
@@ -64,9 +64,7 @@ class CursorRendererAuraTest : public AuraTestBase {
     cursor_renderer_->tick_clock_ = clock;
   }
 
-  base::TimeDelta Now() {
-    return cursor_renderer_->tick_clock_->NowTicks() - base::TimeTicks();
-  }
+  base::TimeTicks Now() { return cursor_renderer_->tick_clock_->NowTicks(); }
 
   bool CursorDisplayed() { return cursor_renderer_->cursor_displayed_; }