Remove TabTest from tab_model_unittest.mm.

ios/chrome/browser/tabs/tab_model_unittest.mm

 // Copyright 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.
 
 #import <objc/runtime.h>
 
 #include "base/files/file_path.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 34 matching lines @@
 // is not a situation we normally expect to be in because we never
 // want the session being saved on the main thread in the production app.
 // We could expose this as part of the service's public API, but again that
 // might encourage use where we don't want it. As a result, just use the
 // known private-for-testing method directly.
 @interface SessionServiceIOS (Testing)
 - (void)performSaveWindow:(SessionWindowIOS*)window
               toDirectory:(NSString*)directory;
 @end
 
-@interface TabTest : Tab
-
-- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState
-                lastVisitedTimestamp:(double)lastVisitedTimestamp
-                            tabModel:(TabModel*)tabModel;
-@end
-
-@implementation TabTest
-
-- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState
-                lastVisitedTimestamp:(double)lastVisitedTimestamp
-                            tabModel:(TabModel*)tabModel {
-  id webControllerMock =
-      [OCMockObject niceMockForClass:[CRWWebController class]];
-
-  auto webStateImpl = base::MakeUnique<WebStateImpl>(browserState);
-  webStateImpl->SetWebController(webControllerMock);
-  webStateImpl->GetNavigationManagerImpl().InitializeSession(NO);
-  [webStateImpl->GetNavigationManagerImpl().GetSessionController()
-      setLastVisitedTimestamp:lastVisitedTimestamp];
-
-  WebStateImpl* webStateImplPtr = webStateImpl.get();
-  [[[webControllerMock stub] andReturnValue:OCMOCK_VALUE(webStateImplPtr)]
-      webStateImpl];
-  BOOL yes = YES;
-  [[[webControllerMock stub] andReturnValue:OCMOCK_VALUE(yes)] isViewAlive];
-
-  if ((self = [super initWithWebState:std::move(webStateImpl)
-                                model:tabModel
-                     attachTabHelpers:NO])) {
-    IOSChromeSessionTabHelper::CreateForWebState(self.webState);
-  }
-  return self;
-}
-
-@end
-
 @interface TabModel (VisibleForTesting)
 - (SessionWindowIOS*)windowForSavingSession;
 @end
 
 // Defines a TabModelObserver for use in unittests.  This class can be used to
 // test if an observer method was called or not.
 @interface TabModelObserverPong : NSObject<TabModelObserver> {
   // TODO(crbug.com/661989): Add tests for the other observer methods.
   BOOL tabMovedWasCalled_;
 }
@@ skipping 652 matching lines @@
   ASSERT_EQ(3U, [tab_model_ count]);
   EXPECT_NSEQ(tab1, [tab_model_ tabAtIndex:0]);
   EXPECT_NSEQ(tab2, [tab_model_ tabAtIndex:1]);
   EXPECT_NSEQ(tab0, [tab_model_ tabAtIndex:2]);
   EXPECT_FALSE([tab_model_observer_ tabMovedWasCalled]);
 }
 
 TEST_F(TabModelTest, SetParentModel) {
   // Create a tab without a parent model and make sure it doesn't crash.  Then
   // set its parent TabModel and make sure that works as well.
-  base::scoped_nsobject<TabTest> tab([[TabTest alloc]
+  base::scoped_nsobject<Tab> tab([[Tab alloc]
       initWithBrowserState:chrome_browser_state_.get()
-      lastVisitedTimestamp:100
-                  tabModel:nil]);
+                    opener:nil
+               openedByDOM:NO
+                     model:nil]);
   EXPECT_TRUE([tab parentTabModel] == nil);
   [tab_model_ insertTab:tab atIndex:0];
   [tab setParentTabModel:tab_model_.get()];
   EXPECT_FALSE([tab parentTabModel] == nil);
   [tab_model_ closeTabAtIndex:0];
 }
 
 TEST_F(TabModelTest, PersistSelectionChange) {
   TestChromeBrowserState::Builder test_cbs_builder;
   auto chrome_browser_state = test_cbs_builder.Build();
@@ skipping 67 matching lines @@
   // Restoring TabModel session sends asynchronous tasks to IO thread, wait
   // for them to complete after destroying the TabModel.
   base::RunLoop().RunUntilIdle();
 
   // Clean up.
   EXPECT_TRUE([[NSFileManager defaultManager] removeItemAtPath:stashPath
                                                          error:nullptr]);
 }
 
 }  // anonymous namespace