Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/views/location_bar/page_action_image_view_interactive_uitest.cc

 // Copyright 2015 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 "chrome/browser/ui/views/location_bar/page_action_image_view.h"
 
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
@@ skipping 18 matching lines @@
   ~PageActionImageViewInteractiveUITest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionBrowserTest::SetUpCommandLine(command_line);
     // Testing page action-specific UI means we need to disable the redesign.
     disable_redesign_.reset(new extensions::FeatureSwitch::ScopedOverride(
         extensions::FeatureSwitch::extension_action_redesign(), false));
   }
 
  private:
-  scoped_ptr<extensions::FeatureSwitch::ScopedOverride> disable_redesign_;
+  std::unique_ptr<extensions::FeatureSwitch::ScopedOverride> disable_redesign_;
 
   DISALLOW_COPY_AND_ASSIGN(PageActionImageViewInteractiveUITest);
 };
 
 // An ImageSkia source that will do nothing. We need this because we need a
 // blank canvas at a certain size, and that can't be done by just using a null
 // ImageSkia.
 class BlankImageSource : public gfx::CanvasImageSource {
  public:
   explicit BlankImageSource(const gfx::Size& size)
@@ skipping 127 matching lines @@
         ui_controls::LEFT,
         ui_controls::UP | ui_controls::DOWN,
         run_loop.QuitClosure());
     run_loop.Run();
     listener.WaitUntilSatisfied();
   }
 
   // Since the action ran, it should no longer be visible.
   EXPECT_EQ(0, location_bar_testing->PageActionVisibleCount());
 }