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

chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.cc

 /*
  * Copyright 2013 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/chromeos/extensions/virtual_keyboard_browsertest.h"
 
 #include <vector>
 
 #include "ash/shell.h"
@@ skipping 78 matching lines @@
   aura::Window* window = ash::Shell::GetPrimaryRootWindow();
   ui::InputMethod* input_method = window->GetHost()->GetInputMethod();
   ASSERT_TRUE(input_method);
   input_method->ShowImeIfNeeded();
 }
 
 content::RenderViewHost* VirtualKeyboardBrowserTest::GetKeyboardRenderViewHost(
     const std::string& id) {
   ShowVirtualKeyboard();
   GURL url = extensions::Extension::GetBaseURLFromExtensionId(id);
-  scoped_ptr<content::RenderWidgetHostIterator> widgets(
+  std::unique_ptr<content::RenderWidgetHostIterator> widgets(
       content::RenderWidgetHost::GetRenderWidgetHosts());
   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     content::RenderViewHost* view = content::RenderViewHost::From(widget);
     if (view && url == view->GetSiteInstance()->GetSiteURL()) {
       content::WebContents* wc = content::WebContents::FromRenderViewHost(view);
       // Waits for virtual keyboard to load.
       EXPECT_TRUE(content::WaitForLoadStop(wc));
       return view;
     }
   }
@@ skipping 74 matching lines @@
   bool success = false;
   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
       browser_rvh,
       "success ? verifyInput('a') : waitForInput('a');",
       &success));
   ASSERT_TRUE(success);
 }
 
 // TODO(kevers|rsadam|bshe):  Add UI tests for remaining virtual keyboard
 // functionality.