Set desired_image_size when decoding images for NTP Tile icons.

components/ntp_tiles/icon_cacher_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.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 19 matching lines @@
  public:
   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&));
 };
 
 class IconCacherTest : public ::testing::Test {
  protected:
   IconCacherTest()
       : site_(base::string16(),  // title, unused
               GURL("http://url.google/"),
               GURL("http://url.google/icon.png"),
               GURL("http://url.google/favicon.ico"),
               GURL()),  // thumbnail, unused
@@ skipping 138 matching lines @@
 
   IconCacher cacher(&favicon_service_, std::move(image_fetcher_));
   cacher.StartFetch(site_, BindMockFunction(&done));
   loop.Run();
   EXPECT_FALSE(IconIsCachedFor(site_.url, favicon_base::FAVICON));
   EXPECT_FALSE(IconIsCachedFor(site_.url, favicon_base::TOUCH_ICON));
 }
 
 }  // namespace
 }  // namespace ntp_tiles