Added material design mouse hover feedback support.

ui/views/animation/test/test_ink_drop_host.h

Index: ui/views/animation/test/test_ink_drop_host.h
diff --git a/ui/views/animation/test/test_ink_drop_host.h b/ui/views/animation/test/test_ink_drop_host.h
index 7baa391291ad831cdd8f908f5cd3051eb6740e3c..9192a116a0c968d4a17f12b180f7693b8f5e48dc 100644
--- a/ui/views/animation/test/test_ink_drop_host.h
+++ b/ui/views/animation/test/test_ink_drop_host.h
@@ -19,14 +19,21 @@ class TestInkDropHost : public InkDropHost {
 
   int num_ink_drop_layers() const { return num_ink_drop_layers_; }
 
+  void set_should_show_hover(bool should_show_hover) {
+    should_show_hover_ = should_show_hover;
+  }
+
   // TestInkDropHost:
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
   gfx::Point CalculateInkDropCenter() const override;
+  bool ShouldShowInkDropHover() const override;
 
  private:
   int num_ink_drop_layers_;
 
+  bool should_show_hover_;
+
   DISALLOW_COPY_AND_ASSIGN(TestInkDropHost);
 };