Reduce views::Border creation verbosity by promoting factory functions

ui/views/controls/scroll_view_unittest.cc

Index: ui/views/controls/scroll_view_unittest.cc
diff --git a/ui/views/controls/scroll_view_unittest.cc b/ui/views/controls/scroll_view_unittest.cc
index 23f2c5f4fdaeb42f2e5ddea5b4599b7131383012..575cf999fc96ffd9dd513491f2a0e01013009692 100644
--- a/ui/views/controls/scroll_view_unittest.cc
+++ b/ui/views/controls/scroll_view_unittest.cc
@@ -282,7 +282,7 @@ TEST_F(ScrollViewTest, ViewportSizedToFit) {
 TEST_F(ScrollViewTest, BoundedViewportSizedToFit) {
   View* contents = InstallContents();
   scroll_view_.ClipHeightTo(100, 200);
-  scroll_view_.SetBorder(Border::CreateSolidBorder(2, 0));
+  scroll_view_.SetBorder(CreateSolidBorder(2, 0));
   scroll_view_.Layout();
   EXPECT_EQ("2,2 96x96", contents->parent()->bounds().ToString());
 
@@ -333,8 +333,8 @@ TEST_F(ScrollViewTest, ScrollBars) {
   const int kLeftPadding = 2;
   const int kBottomPadding = 3;
   const int kRightPadding = 4;
-  scroll_view_.SetBorder(Border::CreateEmptyBorder(
-      kTopPadding, kLeftPadding, kBottomPadding, kRightPadding));
+  scroll_view_.SetBorder(CreateEmptyBorder(kTopPadding, kLeftPadding,
+                                           kBottomPadding, kRightPadding));
   contents->SetBounds(0, 0, 50, 400);
   scroll_view_.Layout();
   EXPECT_EQ(