Views:: Use TestClipboard in ScopedViewsTestHelper.

ui/views/test/scoped_views_test_helper.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 "ui/views/test/scoped_views_test_helper.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
+#include "ui/base/clipboard/clipboard.h"
 #include "ui/base/ime/input_method_initializer.h"
+#include "ui/base/test/test_clipboard.h"
 #include "ui/compositor/test/context_factories_for_test.h"
 #include "ui/views/test/platform_test_helper.h"
 #include "ui/views/test/test_views_delegate.h"
 #include "ui/views/test/views_test_helper.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/env.h"
 #endif
 
 namespace views {
@@ skipping 29 matching lines @@
   // WindowTreeHost instance created by TestScreen. After that, the
   // context-factory is used when creating Widgets (to set-up the compositor for
   // the corresponding ui::Windows). So restore the context-factory (which
   // WindowManagerConnection would have set up), so that NativeWidgetMus
   // installs the correct context-factory that can talk to mus.
   if (PlatformTestHelper::IsMus())
     aura::Env::GetInstance()->set_context_factory(old_context_factory);
 #endif
 
   ui::InitializeInputMethodForTesting();
+  ui::TestClipboard::CreateForCurrentThread();

[karandeepb, 2016/11/16 04:16:15]

sky@: Should this go in ViewsTestBase or is this fine?

 }
 
 ScopedViewsTestHelper::~ScopedViewsTestHelper() {
+  ui::Clipboard::DestroyClipboardForCurrentThread();
   ui::ShutdownInputMethodForTesting();
   test_helper_->TearDown();
   test_helper_.reset();
 
   views_delegate_.reset();
 
   // The Mus PlatformTestHelper has state that is deleted by
   // ui::TerminateContextFactoryForTests().
   platform_test_helper_.reset();
 
   ui::TerminateContextFactoryForTests();
 }
 
 gfx::NativeWindow ScopedViewsTestHelper::GetContext() {
   return test_helper_->GetContext();
 }
 
 }  // namespace views