Move notification resource loading from content/child to blink

content/child/notifications/notification_image_loader.cc

Index: content/child/notifications/notification_image_loader.cc
diff --git a/content/child/notifications/notification_image_loader.cc b/content/child/notifications/notification_image_loader.cc
deleted file mode 100644
index 4ad37f859941e4efe8232a278c06f28a5ff86f80..0000000000000000000000000000000000000000
--- a/content/child/notifications/notification_image_loader.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-// 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 "content/child/notifications/notification_image_loader.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/metrics/histogram_macros.h"
-#include "base/single_thread_task_runner.h"
-#include "content/child/image_decoder.h"
-#include "third_party/WebKit/public/platform/Platform.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/platform/WebURLLoader.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-using blink::WebURL;
-using blink::WebURLError;
-using blink::WebURLLoader;
-using blink::WebURLRequest;
-
-namespace content {
-
-NotificationImageLoader::NotificationImageLoader(
-    const ImageLoadCompletedCallback& callback,
-    const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner,
-    const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner)
-    : callback_(callback),
-      worker_task_runner_(worker_task_runner),
-      main_task_runner_(main_task_runner),
-      completed_(false) {}
-
-NotificationImageLoader::~NotificationImageLoader() {
-  DCHECK(main_task_runner_->BelongsToCurrentThread());
-}
-
-void NotificationImageLoader::StartOnMainThread(const GURL& image_url) {
-  DCHECK(main_task_runner_->BelongsToCurrentThread());
-  DCHECK(!url_loader_);
-
-  start_time_ = base::TimeTicks::Now();
-
-  WebURL image_web_url(image_url);
-  WebURLRequest request(image_web_url);
-  request.setRequestContext(WebURLRequest::RequestContextImage);
-
-  url_loader_.reset(blink::Platform::current()->createURLLoader());
-  url_loader_->loadAsynchronously(request, this);
-}
-
-void NotificationImageLoader::didReceiveData(WebURLLoader* loader,
-                                             const char* data,
-                                             int data_length,
-                                             int encoded_data_length) {
-  DCHECK(!completed_);
-  DCHECK_GT(data_length, 0);
-
-  buffer_.insert(buffer_.end(), data, data + data_length);
-}
-
-void NotificationImageLoader::didFinishLoading(
-    WebURLLoader* loader,
-    double finish_time,
-    int64_t total_encoded_data_length) {
-  DCHECK(!completed_);
-
-  UMA_HISTOGRAM_LONG_TIMES("Notifications.Icon.LoadFinishTime",
-                           base::TimeTicks::Now() - start_time_);
-
-  RunCallbackOnWorkerThread();
-}
-
-void NotificationImageLoader::didFail(WebURLLoader* loader,
-                                      const WebURLError& error) {
-  if (completed_)
-    return;
-
-  UMA_HISTOGRAM_LONG_TIMES("Notifications.Icon.LoadFailTime",
-                           base::TimeTicks::Now() - start_time_);
-
-  RunCallbackOnWorkerThread();
-}
-
-void NotificationImageLoader::RunCallbackOnWorkerThread() {
-  url_loader_.reset();
-
-  completed_ = true;
-  SkBitmap icon = GetDecodedImage();
-
-  if (worker_task_runner_->BelongsToCurrentThread()) {
-    callback_.Run(icon);
-  } else {
-    worker_task_runner_->PostTask(FROM_HERE, base::Bind(callback_, icon));
-  }
-}
-
-SkBitmap NotificationImageLoader::GetDecodedImage() const {
-  DCHECK(completed_);
-
-  UMA_HISTOGRAM_CUSTOM_COUNTS("Notifications.Icon.FileSize", buffer_.size(), 1,
-                              10000000 /* ~10mb */, 50);
-
-  if (buffer_.empty())
-    return SkBitmap();
-
-  ImageDecoder decoder;
-  return decoder.Decode(&buffer_[0], buffer_.size());
-}
-
-void NotificationImageLoader::DeleteOnCorrectThread() const {
-  if (!main_task_runner_->BelongsToCurrentThread()) {
-    main_task_runner_->DeleteSoon(FROM_HERE, this);
-    return;
-  }
-
-  delete this;
-}
-
-}  // namespace content