[Android]Increase Scrollbar fade delay on Resize.

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index 92087fe361ddf662e5bc02633670f28f1c9c8c2e..86588e59e09fab6b19ac3ef81da571bc4b29978a 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -1398,6 +1398,7 @@ TEST_F(LayerTreeHostImplTest, ScrollbarFadePinchZoomScrollbars) {
   LayerTreeSettings settings;
   settings.scrollbar_animator = LayerTreeSettings::LinearFade;
   settings.scrollbar_fade_delay_ms = 20;
+  settings.scrollbar_fade_resize_delay_ms = 50;
   settings.scrollbar_fade_duration_ms = 20;
   settings.use_pinch_zoom_scrollbars = true;
 
@@ -1434,12 +1435,13 @@ TEST_F(LayerTreeHostImplTest, ScrollbarFadePinchZoomScrollbars) {
   // Make page scale > min so that subsequent scrolls will trigger fades.
   host_impl_->active_tree()->SetPageScaleDelta(1.1f);
 
-  // After a scroll, a fade animation should be scheduled about 20ms from now.
+  // After pinch causes a scrollbar resize, a fade animation should be scheduled
+  // about 50ms from now.
   host_impl_->ScrollBegin(gfx::Point(), InputHandler::Wheel);
   host_impl_->ScrollBy(gfx::Point(), gfx::Vector2dF(5, 0));
   host_impl_->ScrollEnd();
   did_request_redraw_ = false;
-  EXPECT_LT(base::TimeDelta::FromMilliseconds(19),
+  EXPECT_LT(base::TimeDelta::FromMilliseconds(49),
             requested_scrollbar_animation_delay_);
   EXPECT_FALSE(did_request_animate_);
   requested_scrollbar_animation_delay_ = base::TimeDelta();