[Image Fetcher] Add support to disable cookies

components/ntp_tiles/icon_cacher_impl_unittest.cc

 // Copyright 2016 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/ntp_tiles/icon_cacher_impl.h"
 
 #include <set>
 #include <utility>
 
 #include "base/files/scoped_temp_dir.h"
@@ skipping 31 matching lines @@
   MOCK_METHOD1(SetImageFetcherDelegate,
                void(image_fetcher::ImageFetcherDelegate* delegate));
   MOCK_METHOD1(SetDataUseServiceName,
                void(image_fetcher::ImageFetcher::DataUseServiceName name));
   MOCK_METHOD3(StartOrQueueNetworkRequest,
                void(const std::string& id,
                     const GURL& image_url,
                     base::Callback<void(const std::string& id,
                                         const gfx::Image& image)> callback));
   MOCK_METHOD1(SetDesiredImageFrameSize, void(const gfx::Size&));
+  MOCK_METHOD0(DisableCookies, void());
   MOCK_METHOD0(GetImageDecoder, image_fetcher::ImageDecoder*());
 };
 
 // This class provides methods to inject an image resource where a real resource
 // would be necessary otherwise. All other methods have return values that allow
 // the normal implementation to proceed.
 class MockResourceDelegate : public ui::ResourceBundle::Delegate {
  public:
   ~MockResourceDelegate() override {}
 
@@ skipping 259 matching lines @@
               Eq(gfx::Size(64, 64)));  // Compares dimensions, not objects.
 
   // Let the fetcher continue and wait for the second call of the callback.
   fetch_loop.Run();  // Wait for the updated image.
   EXPECT_THAT(GetCachedIconFor(site_.url, favicon_base::TOUCH_ICON).Size(),
               Eq(gfx::Size(128, 128)));  // Compares dimensions, not objects.
 }
 
 }  // namespace
 }  // namespace ntp_tiles