Remove ImageDataFetcher from iOS.

ios/web/public/image_fetcher/image_data_fetcher_unittest.mm

Index: ios/web/public/image_fetcher/image_data_fetcher_unittest.mm
diff --git a/ios/web/public/image_fetcher/image_data_fetcher_unittest.mm b/ios/web/public/image_fetcher/image_data_fetcher_unittest.mm
deleted file mode 100644
index 72d7941937226b30363dd2dc83a101566ccee848..0000000000000000000000000000000000000000
--- a/ios/web/public/image_fetcher/image_data_fetcher_unittest.mm
+++ /dev/null
@@ -1,212 +0,0 @@
-// 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/web/public/image_fetcher/image_data_fetcher.h"
-
-#import <UIKit/UIKit.h>
-
-#include "base/ios/ios_util.h"
-#include "base/mac/scoped_block.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/memory/ref_counted.h"
-#include "base/run_loop.h"
-#include "base/threading/thread.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "build/build_config.h"
-#include "net/http/http_response_headers.h"
-#include "net/url_request/test_url_fetcher_factory.h"
-#include "net/url_request/url_request_test_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
-
-namespace {
-
-static unsigned char kJPGImage[] = {
-    255, 216, 255, 224, 0,   16,  74,  70, 73, 70, 0,   1,   1,   1,   0,
-    72,  0,   72,  0,   0,   255, 254, 0,  19, 67, 114, 101, 97,  116, 101,
-    100, 32,  119, 105, 116, 104, 32,  71, 73, 77, 80,  255, 219, 0,   67,
-    0,   5,   3,   4,   4,   4,   3,   5,  4,  4,  4,   5,   5,   5,   6,
-    7,   12,  8,   7,   7,   7,   7,   15, 11, 11, 9,   12,  17,  15,  18,
-    18,  17,  15,  17,  17,  19,  22,  28, 23, 19, 20,  26,  21,  17,  17,
-    24,  33,  24,  26,  29,  29,  31,  31, 31, 19, 23,  34,  36,  34,  30,
-    36,  28,  30,  31,  30,  255, 219, 0,  67, 1,  5,   5,   5,   7,   6,
-    7,   14,  8,   8,   14,  30,  20,  17, 20, 30, 30,  30,  30,  30,  30,
-    30,  30,  30,  30,  30,  30,  30,  30, 30, 30, 30,  30,  30,  30,  30,
-    30,  30,  30,  30,  30,  30,  30,  30, 30, 30, 30,  30,  30,  30,  30,
-    30,  30,  30,  30,  30,  30,  30,  30, 30, 30, 30,  30,  30,  30,  255,
-    192, 0,   17,  8,   0,   1,   0,   1,  3,  1,  34,  0,   2,   17,  1,
-    3,   17,  1,   255, 196, 0,   21,  0,  1,  1,  0,   0,   0,   0,   0,
-    0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  8,   255, 196, 0,   20,
-    16,  1,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   0,
-    0,   0,   0,   255, 196, 0,   20,  1,  1,  0,  0,   0,   0,   0,   0,
-    0,   0,   0,   0,   0,   0,   0,   0,  0,  0,  255, 196, 0,   20,  17,
-    1,   0,   0,   0,   0,   0,   0,   0,  0,  0,  0,   0,   0,   0,   0,
-    0,   0,   255, 218, 0,   12,  3,   1,  0,  2,  17,  3,   17,  0,   63,
-    0,   178, 192, 7,   255, 217};
-
-static unsigned char kPNGImage[] = {
-    137, 80,  78,  71,  13,  10,  26,  10,  0,   0,   0,   13,  73,  72,  68,
-    82,  0,   0,   0,   1,   0,   0,   0,   1,   1,   0,   0,   0,   0,   55,
-    110, 249, 36,  0,   0,   0,   2,   98,  75,  71,  68,  0,   1,   221, 138,
-    19,  164, 0,   0,   0,   9,   112, 72,  89,  115, 0,   0,   11,  18,  0,
-    0,   11,  18,  1,   210, 221, 126, 252, 0,   0,   0,   9,   118, 112, 65,
-    103, 0,   0,   0,   1,   0,   0,   0,   1,   0,   199, 149, 95,  237, 0,
-    0,   0,   10,  73,  68,  65,  84,  8,   215, 99,  104, 0,   0,   0,   130,
-    0,   129, 221, 67,  106, 244, 0,   0,   0,   25,  116, 69,  88,  116, 99,
-    111, 109, 109, 101, 110, 116, 0,   67,  114, 101, 97,  116, 101, 100, 32,
-    119, 105, 116, 104, 32,  71,  73,  77,  80,  231, 175, 64,  203, 0,   0,
-    0,   37,  116, 69,  88,  116, 100, 97,  116, 101, 58,  99,  114, 101, 97,
-    116, 101, 0,   50,  48,  49,  49,  45,  48,  54,  45,  50,  50,  84,  49,
-    54,  58,  49,  54,  58,  52,  54,  43,  48,  50,  58,  48,  48,  31,  248,
-    231, 223, 0,   0,   0,   37,  116, 69,  88,  116, 100, 97,  116, 101, 58,
-    109, 111, 100, 105, 102, 121, 0,   50,  48,  49,  49,  45,  48,  54,  45,
-    50,  50,  84,  49,  54,  58,  49,  54,  58,  52,  54,  43,  48,  50,  58,
-    48,  48,  110, 165, 95,  99,  0,   0,   0,   17,  116, 69,  88,  116, 106,
-    112, 101, 103, 58,  99,  111, 108, 111, 114, 115, 112, 97,  99,  101, 0,
-    50,  44,  117, 85,  159, 0,   0,   0,   32,  116, 69,  88,  116, 106, 112,
-    101, 103, 58,  115, 97,  109, 112, 108, 105, 110, 103, 45,  102, 97,  99,
-    116, 111, 114, 0,   50,  120, 50,  44,  49,  120, 49,  44,  49,  120, 49,
-    73,  250, 166, 180, 0,   0,   0,   0,   73,  69,  78,  68,  174, 66,  96,
-    130};
-
-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};
-
-static const char kTestUrl[] = "http://www.img.com";
-
-static const char kWEBPHeaderResponse[] =
-    "HTTP/1.1 200 OK\0Content-type: image/webp\0\0";
-
-}  // namespace
-
-namespace web {
-
-class ImageDataFetcherTest : public PlatformTest {
- protected:
-  ImageDataFetcherTest()
-      : worker_thread_("TestThread"),
-        callback_(
-            [^(const GURL& original_url, int http_response_code, NSData* data) {
-              result_ = [UIImage imageWithData:data];
-              called_ = true;
-            } copy]) {
-    worker_thread_.Start();
-
-    image_fetcher_ =
-        base::MakeUnique<ImageDataFetcher>(worker_thread_.task_runner());
-    image_fetcher_->SetRequestContextGetter(
-        new net::TestURLRequestContextGetter(
-            base::ThreadTaskRunnerHandle::Get()));
-  }
-
-  net::TestURLFetcher* SetupFetcher() {
-    image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
-    EXPECT_EQ(nil, result_);
-    EXPECT_EQ(false, called_);
-    net::TestURLFetcher* fetcher = factory_.GetFetcherByID(0);
-    DCHECK(fetcher);
-    DCHECK(fetcher->delegate());
-    return fetcher;
-  }
-
-  // Message loop for the main test thread.
-  base::MessageLoop loop_;
-
-  // Worker thread used for ImageFetcher's asynchronous work.
-  base::Thread worker_thread_;
-
-  base::mac::ScopedBlock<ImageFetchedCallback> callback_;
-  net::TestURLFetcherFactory factory_;
-  std::unique_ptr<ImageDataFetcher> image_fetcher_;
-  UIImage* result_ = nil;
-  bool called_ = false;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ImageDataFetcherTest);
-};
-
-TEST_F(ImageDataFetcherTest, TestError) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(404);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  EXPECT_EQ(nil, result_);
-  EXPECT_TRUE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, TestJpg) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(std::string((char*)kJPGImage, sizeof(kJPGImage)));
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  EXPECT_NE(nil, result_);
-  EXPECT_TRUE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, TestPng) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(std::string((char*)kPNGImage, sizeof(kPNGImage)));
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  EXPECT_NE(nil, result_);
-  EXPECT_TRUE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, TestGoodWebP) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(
-      std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
-  scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
-      std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
-  fetcher->set_response_headers(headers);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  worker_thread_.FlushForTesting();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_NE(nil, result_);
-  EXPECT_TRUE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, TestBadWebP) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString("This is not a valid WebP image");
-  scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
-      std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
-  fetcher->set_response_headers(headers);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  worker_thread_.FlushForTesting();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(nil, result_);
-  EXPECT_TRUE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, DeleteDuringWebPDecoding) {
-  net::TestURLFetcher* fetcher = SetupFetcher();
-  fetcher->set_response_code(200);
-  fetcher->SetResponseString(
-      std::string((char*)kWEBPImage, sizeof(kWEBPImage)));
-  scoped_refptr<net::HttpResponseHeaders> headers(new net::HttpResponseHeaders(
-      std::string(kWEBPHeaderResponse, arraysize(kWEBPHeaderResponse))));
-  fetcher->set_response_headers(headers);
-  fetcher->delegate()->OnURLFetchComplete(fetcher);
-  // Delete the image fetcher, and check that the callback is not called.
-  image_fetcher_.reset();
-  worker_thread_.FlushForTesting();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(nil, result_);
-  EXPECT_FALSE(called_);
-}
-
-TEST_F(ImageDataFetcherTest, TestCallbacksNotCalledDuringDeletion) {
-  image_fetcher_->StartDownload(GURL(kTestUrl), callback_);
-  image_fetcher_.reset();
-  EXPECT_FALSE(called_);
-}
-
-}  // namespace web