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

chrome/browser/ui/zoom/zoom_controller_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 "base/message_loop/message_loop.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/prefs/pref_service.h"
@@ skipping 23 matching lines @@
     content::RenderViewHostTester::For(rvh())->CreateTestRenderView(
         base::string16(), MSG_ROUTING_NONE, MSG_ROUTING_NONE, -1, false);
   }
 
   void TearDown() override {
     zoom_controller_.reset();
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
  protected:
-  scoped_ptr<ZoomController> zoom_controller_;
+  std::unique_ptr<ZoomController> zoom_controller_;
 };
 
 TEST_F(ZoomControllerTest, DidNavigateMainFrame) {
   double zoom_level = zoom_controller_->GetZoomLevel();
   ZoomController::ZoomChangedEventData zoom_change_data(
       web_contents(),
       zoom_level,
       zoom_level,
       ZoomController::ZOOM_MODE_DEFAULT,
       false);
@@ skipping 69 matching lines @@
       ZoomController::ZOOM_MODE_MANUAL,
       false /* can_show_bubble */);
   {
     ZoomChangedWatcher zoom_change_watcher2(zoom_controller_.get(),
                                             zoom_change_data2);
     zoom_controller_->SetZoomLevel(new_zoom_level2);
     zoom_change_watcher2.Wait();
   }
 
 }