Set desired_image_size when decoding images for NTP Tile icons.

components/suggestions/image_manager_unittest.cc

Index: components/suggestions/image_manager_unittest.cc
diff --git a/components/suggestions/image_manager_unittest.cc b/components/suggestions/image_manager_unittest.cc
index a5869e8c8f206853e5db9370aa0ee7fe8f38e011..8846aefaeca9b6446db51345d67e9ce43cc4b1f4 100644
--- a/components/suggestions/image_manager_unittest.cc
+++ b/components/suggestions/image_manager_unittest.cc
@@ -19,6 +19,7 @@
 #include "components/suggestions/proto/suggestions.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/size.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "url/gurl.h"
@@ -53,6 +54,7 @@ class MockImageFetcher : public ImageFetcher {
                                         const gfx::Image&)>));
   MOCK_METHOD1(SetImageFetcherDelegate, void(ImageFetcherDelegate*));
   MOCK_METHOD1(SetDataUseServiceName, void(DataUseServiceName));
+  MOCK_METHOD1(SetDesiredImageFrameSize, void(const gfx::Size&));
 };
 
 class ImageManagerTest : public testing::Test {