Move the ContentSuggestions items to a new target

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item_unittest.mm

 // Copyright 2017 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 "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item.h"
 
 #include "base/time/time.h"
+#import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_cell.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "third_party/ocmock/gtest_support.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 
 // Tests that configureCell: sets all the fields of the cell except the image
 // and fetches the image through the delegate.
 TEST(ContentSuggestionsItemTest, CellIsConfiguredWithoutImage) {
   // Setup.
   NSString* title = @"testTitle";
   NSString* subtitle = @"testSubtitle";
   GURL url = GURL("http://chromium.org");
   NSString* publisher = @"publisherName";
   base::Time publishTime = base::Time::Now();
+  NSDate* date = [NSDate dateWithTimeIntervalSince1970:publishTime.ToDoubleT()];
   id delegateMock = OCMProtocolMock(@protocol(SuggestedContentDelegate));
   ContentSuggestionsItem* item =
       [[ContentSuggestionsItem alloc] initWithType:0
                                              title:title
                                           subtitle:subtitle
                                                url:url];
   item.delegate = delegateMock;
   item.hasImage = YES;
   item.publisher = publisher;
   item.publishDate = publishTime;
   item.availableOffline = YES;
   OCMExpect([delegateMock loadImageForSuggestedItem:item]);
   ContentSuggestionsCell* cell = [[[item cellClass] alloc] init];
   ASSERT_EQ([ContentSuggestionsCell class], [cell class]);
   ASSERT_EQ(url, item.URL);
   ASSERT_EQ(nil, item.image);
   id cellMock = OCMPartialMock(cell);
   OCMExpect([cellMock setContentImage:item.image]);
   OCMExpect([cellMock setSubtitleText:subtitle]);
   OCMExpect([cellMock setAdditionalInformationWithPublisherName:publisher
-                                                           date:publishTime
+                                                           date:date
                                             offlineAvailability:YES]);
 
   // Action.
   [item configureCell:cell];
 
   // Tests.
   EXPECT_OCMOCK_VERIFY(cellMock);
   EXPECT_EQ(title, cell.titleLabel.text);
   EXPECT_OCMOCK_VERIFY(delegateMock);
 }
@@ skipping 51 matching lines @@
                                                url:url];
   item.delegate = delegateMock;
   item.hasImage = NO;
   ContentSuggestionsCell* cell = [[[item cellClass] alloc] init];
 
   // Action.
   [item configureCell:cell];
 }
 
 }  // namespace