Move iOS image_fetcher::ImageDecoder to layered component

components/image_fetcher/ios/ios_image_decoder_impl_unittest.mm

 // Copyright 2011 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/suggestions/ios_image_decoder_impl.h"
+#include "components/image_fetcher/ios/ios_image_decoder_impl.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
@@ skipping 31 matching lines @@
 
 static unsigned char kWEBPImage[] = {
     82, 73, 70, 70, 74,  0, 0,  0,   87,  69,  66,  80,  86,  80, 56, 88, 10,
     0,  0,  0,  16, 0,   0, 0,  0,   0,   0,   0,   0,   0,   65, 76, 80, 72,
     12, 0,  0,  0,  1,   7, 16, 17,  253, 15,  68,  68,  255, 3,  0,  0,  86,
     80, 56, 32, 24, 0,   0, 0,  48,  1,   0,   157, 1,   42,  1,  0,  1,  0,
     3,  0,  52, 37, 164, 0, 3,  112, 0,   254, 251, 253, 80,  0};
 
 }  // namespace
 
-namespace suggestions {
+namespace image_fetcher {
 
 class IOSImageDecoderImplTest : public PlatformTest {
  public:
   void OnImageDecoded(const gfx::Image& image) { decoded_image_ = image; }
 
  protected:
   IOSImageDecoderImplTest()
       : pool_(new base::SequencedWorkerPool(2,
                                             "TestPool",
                                             base::TaskPriority::USER_VISIBLE)) {
     ios_image_decoder_impl_ = CreateIOSImageDecoder(pool_);
   }
 
   ~IOSImageDecoderImplTest() override { pool_->Shutdown(); }
 
   base::MessageLoop loop_;
   scoped_refptr<base::SequencedWorkerPool> pool_;
-  std::unique_ptr<image_fetcher::ImageDecoder> ios_image_decoder_impl_;
+  std::unique_ptr<ImageDecoder> ios_image_decoder_impl_;
 
   gfx::Image decoded_image_;
 };
 
 TEST_F(IOSImageDecoderImplTest, JPGImage) {
   ASSERT_TRUE(decoded_image_.IsEmpty());
 
   std::string image_data =
       std::string(reinterpret_cast<char*>(kJPGImage), sizeof(kJPGImage));
   ios_image_decoder_impl_->DecodeImage(
@@ skipping 16 matching lines @@
       image_data, gfx::Size(),
       base::Bind(&IOSImageDecoderImplTest::OnImageDecoded,
                  base::Unretained(this)));
 
   pool_->FlushForTesting();
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(decoded_image_.IsEmpty());
 }
 
-}  // namespace suggestions
+}  // namespace image_fetcher