Fixes for views_unittests on Mac after InputMethodBridge removal (DO NOT COMMIT)

ui/views/controls/textfield/textfield_unittest.cc

 // Copyright 2014 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/textfield/textfield.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/pickle.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_view_state.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_tree_host.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/ime/input_method_base.h"
 #include "ui/base/ime/input_method_delegate.h"
 #include "ui/base/ime/input_method_factory.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/base/ui_base_switches_util.h"
@@ skipping 374 matching lines @@
     textfield_->set_controller(this);
     widget_ = new Widget();
 
     // The widget type must be an activatable type, and we don't want to worry
     // about the non-client view, which leaves just TYPE_WINDOW_FRAMELESS.
     Widget::InitParams params =
         CreateParams(Widget::InitParams::TYPE_WINDOW_FRAMELESS);
 
     params.bounds = gfx::Rect(100, 100, 100, 100);
     widget_->Init(params);
-    input_method_->SetDelegate(static_cast<ui::internal::InputMethodDelegate*>(
-        widget_->GetNativeWindow()->GetRootWindow()->GetHost()));
+    input_method_->SetDelegate(
+        test::WidgetTest::GetInputMethodDelegateForWidget(widget_));
     View* container = new View();
     widget_->SetContentsView(container);
     container->AddChildView(textfield_);
     textfield_->SetBoundsRect(params.bounds);
     textfield_->set_id(1);
     test_api_.reset(new TextfieldTestApi(textfield_));
 
     for (int i = 1; i < count; i++) {
       Textfield* textfield = new Textfield();
       container->AddChildView(textfield);
@@ skipping 2115 matching lines @@
 
   textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
   ui::AXViewState state_protected;
   textfield_->GetAccessibleState(&state_protected);
   EXPECT_EQ(ui::AX_ROLE_TEXT_FIELD, state_protected.role);
   EXPECT_EQ(ASCIIToUTF16("********"), state_protected.value);
   EXPECT_TRUE(state_protected.HasStateFlag(ui::AX_STATE_PROTECTED));
 }
 
 }  // namespace views