[Suggestions] Introduce a different image encoder/decoder for iOS

components/suggestions/image_manager_unittest.cc

 // Copyright 2014 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 <string>
 
 #include "base/files/file_path.h"
 #include "base/run_loop.h"
 #include "components/leveldb_proto/proto_database.h"
 #include "components/leveldb_proto/testing/fake_db.h"
 #include "components/suggestions/image_fetcher.h"
 #include "components/suggestions/image_fetcher_delegate.h"
 #include "components/suggestions/image_manager.h"
 #include "components/suggestions/proto/suggestions.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/image/image_skia.h"
 #include "url/gurl.h"
 
+#if defined(OS_IOS)
+#include "components/suggestions/image_encoder_ios.h"
+#else
+#include "components/suggestions/image_encoder.h"
+#endif
+
 using ::testing::Return;
 using ::testing::StrictMock;
 using ::testing::_;
 
 namespace suggestions {
 
 const char kTestUrl1[] = "http://go.com/";
 const char kTestUrl2[] = "http://goal.com/";
 const char kTestImagePath[] = "files/image_decoding/droids.png";
 const char kInvalidImagePath[] = "files/DOESNOTEXIST";
@@ skipping 55 matching lines @@
   ImageData GetSampleImageData(const std::string& url) {
     // Create test bitmap.
     SkBitmap bm;
     // Being careful with the Bitmap. There are memory-related issue in
     // crbug.com/101781.
     bm.allocN32Pixels(4, 4);
     bm.eraseColor(SK_ColorRED);
     ImageData data;
     data.set_url(url);
     std::vector<unsigned char> encoded;
-    EXPECT_TRUE(ImageManager::EncodeImage(bm, &encoded));
+    EXPECT_TRUE(EncodeSkBitmapToJPEG(bm, &encoded));
     data.set_data(std::string(encoded.begin(), encoded.end()));
     return data;
   }
 
   void OnImageAvailable(base::RunLoop* loop, const GURL& url,
                         const SkBitmap* bitmap) {
     if (bitmap) {
       num_callback_valid_called_++;
     } else {
       num_callback_null_called_++;
@@ skipping 81 matching lines @@
   image_manager_->GetImageForURL(GURL(kTestUrl1),
                                  base::Bind(&ImageManagerTest::OnImageAvailable,
                                             base::Unretained(this), &run_loop));
   run_loop.Run();
 
   EXPECT_EQ(0, num_callback_null_called_);
   EXPECT_EQ(1, num_callback_valid_called_);
 }
 
 }  // namespace suggestions