[scheduler] Remove WebThreadImplForUtilityThread from public API.

services/data_decoder/image_decoder_impl_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 <memory>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "gin/array_buffer.h"
 #include "gin/public/isolate_holder.h"
 #include "services/data_decoder/image_decoder_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/public/platform/scheduler/utility/webthread_impl_for_utility_thread.h"
+#include "third_party/WebKit/public/platform/scheduler/child/webthread_base.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 
 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
 #include "gin/v8_initializer.h"
 #endif
 
 namespace data_decoder {
 
@@ skipping 38 matching lines @@
 
   ImageDecoderImpl* decoder_;
   SkBitmap bitmap_;
 };
 
 // We need to ensure that Blink and V8 are initialized in order to use content's
 // image decoding call.
 class BlinkInitializer : public blink::Platform {
  public:
   BlinkInitializer()
-      : main_thread_(new blink::scheduler::WebThreadImplForUtilityThread()) {
+      : main_thread_(
+            blink::scheduler::WebThreadBase::InitializeUtilityThread()) {
 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
     gin::V8Initializer::LoadV8Snapshot();
     gin::V8Initializer::LoadV8Natives();
 #endif
 
     blink::Initialize(this);
   }
 
   ~BlinkInitializer() override {}
 
   blink::WebThread* CurrentThread() override { return main_thread_.get(); }
 
  private:
-  std::unique_ptr<blink::scheduler::WebThreadImplForUtilityThread> main_thread_;
+  std::unique_ptr<blink::scheduler::WebThreadBase> main_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(BlinkInitializer);
 };
 
 base::LazyInstance<BlinkInitializer>::Leaky g_blink_initializer =
     LAZY_INSTANCE_INITIALIZER;
 
 class ImageDecoderImplTest : public testing::Test {
  public:
   ImageDecoderImplTest() : decoder_(nullptr) {}
@@ skipping 55 matching lines @@
   const char kRandomData[] = "u gycfy7xdjkhfgui bdui ";
   std::vector<unsigned char> jpg(kRandomData,
                                  kRandomData + sizeof(kRandomData));
 
   Request request(decoder());
   request.DecodeImage(jpg, false);
   EXPECT_TRUE(request.bitmap().isNull());
 }
 
 }  // namespace data_decoder