Move web modal dialog manager files into the constrained_window component.

components/web_modal/web_contents_modal_dialog_manager_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 "components/web_modal/web_contents_modal_dialog_manager.h"
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 105 matching lines @@
   }
 
   int next_dialog_id;
   std::unique_ptr<TestWebContentsModalDialogManagerDelegate> delegate;
   WebContentsModalDialogManager* manager;
   std::unique_ptr<WebContentsModalDialogManager::TestApi> test_api;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsModalDialogManagerTest);
 };
 
-SingleWebContentsDialogManager*
-WebContentsModalDialogManager::CreateNativeWebModalManager(
-    gfx::NativeWindow dialog,
-    SingleWebContentsDialogManagerDelegate* native_delegate) {
-  NOTREACHED();
-  return new TestNativeWebContentsModalDialogManager(
-      dialog,
-      native_delegate,
-      &unused_tracker);
-}
-
 // Test that the dialog is shown immediately when the delegate indicates the web
 // contents is visible.
 TEST_F(WebContentsModalDialogManagerTest, WebContentsVisible) {
   // Dialog should be shown while WebContents is visible.
   const gfx::NativeWindow dialog = MakeFakeDialog();
 
   NativeManagerTracker tracker;
   TestNativeWebContentsModalDialogManager* native_manager =
       new TestNativeWebContentsModalDialogManager(dialog, manager, &tracker);
   manager->ShowDialogWithManager(dialog, base::WrapUnique(native_manager));
@@ skipping 196 matching lines @@
 
   test_api->CloseAllDialogs();
 
   EXPECT_FALSE(delegate->web_contents_blocked());
   EXPECT_FALSE(manager->IsDialogActive());
   for (int i = 0; i < kWindowCount; i++)
     EXPECT_EQ(NativeManagerTracker::CLOSED, trackers[i].state_);
 }
 
 }  // namespace web_modal