Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/label_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/controls/label.h"
 
 #include <stddef.h>
 
 #include "base/i18n/rtl.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 573 matching lines @@
   // Changing layout just resets |lines_|. It'll recover next time it's drawn.
   label.SetBounds(0, 0, 10, 10);
   EXPECT_EQ(0u, label.lines_.size());
 
   label.Paint(ui::CanvasPainter(&canvas, 1.f).context());
   EXPECT_EQ(1u, label.lines_.size());
 }
 
 #if !defined(OS_MACOSX)
 TEST_F(LabelTest, MultilineSupportedRenderText) {
-  scoped_ptr<gfx::RenderText> render_text(gfx::RenderText::CreateInstance());
+  std::unique_ptr<gfx::RenderText> render_text(
+      gfx::RenderText::CreateInstance());
   ASSERT_TRUE(render_text->MultilineSupported());
 
   Label label;
   label.SetText(ASCIIToUTF16("Example of\nmultilined label"));
   label.SetMultiLine(true);
   label.SizeToPreferredSize();
 
   gfx::Canvas canvas(label.GetPreferredSize(), 1.0f, true);
   label.Paint(ui::CanvasPainter(&canvas, 1.f).context());
 
@@ skipping 46 matching lines @@
   label()->SetFocusable(true);
   label()->RequestFocus();
   label()->SizeToPreferredSize();
 
   gfx::Rect focus_bounds = label()->GetFocusBounds();
   EXPECT_FALSE(focus_bounds.IsEmpty());
   EXPECT_LT(label()->font_list().GetHeight(), focus_bounds.height());
 }
 
 }  // namespace views