[WIP] Implement notification sound loader

content/child/notifications/notification_sound_loader.cc

Index: content/child/notifications/notification_sound_loader.cc
diff --git a/content/child/notifications/notification_image_loader.cc b/content/child/notifications/notification_sound_loader.cc
similarity index 79%
copy from content/child/notifications/notification_image_loader.cc
copy to content/child/notifications/notification_sound_loader.cc
index 0478188de4f0d3ed82529a637befd8f7f6b9fa3d..62ed760d37cc25c807208e65834356386e989713 100644
--- a/content/child/notifications/notification_image_loader.cc
+++ b/content/child/notifications/notification_sound_loader.cc
@@ -1,8 +1,8 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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 "content/child/notifications/notification_sound_loader.h"
 
 #include "base/logging.h"
 #include "base/thread_task_runner_handle.h"
@@ -21,20 +21,20 @@ using blink::WebURLRequest;
 
 namespace content {
 
-NotificationImageLoader::NotificationImageLoader(
-    const ImageLoadCompletedCallback& callback,
+NotificationSoundLoader::NotificationSoundLoader(
+    const SoundLoadCompletedCallback& callback,
     const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner)
     : callback_(callback),
       worker_task_runner_(worker_task_runner),
       notification_id_(0),
       completed_(false) {}
 
-NotificationImageLoader::~NotificationImageLoader() {
+NotificationSoundLoader::~NotificationSoundLoader() {
   if (main_thread_task_runner_)
     DCHECK(main_thread_task_runner_->BelongsToCurrentThread());
 }
 
-void NotificationImageLoader::StartOnMainThread(int notification_id,
+void NotificationSoundLoader::StartOnMainThread(int notification_id,
                                                 const GURL& image_url) {
   DCHECK(ChildThreadImpl::current());
   DCHECK(!url_loader_);
@@ -50,7 +50,7 @@ void NotificationImageLoader::StartOnMainThread(int notification_id,
   url_loader_->loadAsynchronously(request, this);
 }
 
-void NotificationImageLoader::didReceiveData(
+void NotificationSoundLoader::didReceiveData(
     WebURLLoader* loader,
     const char* data,
     int data_length,
@@ -61,7 +61,7 @@ void NotificationImageLoader::didReceiveData(
   buffer_.insert(buffer_.end(), data, data + data_length);
 }
 
-void NotificationImageLoader::didFinishLoading(
+void NotificationSoundLoader::didFinishLoading(
     WebURLLoader* loader,
     double finish_time,
     int64_t total_encoded_data_length) {
@@ -70,7 +70,7 @@ void NotificationImageLoader::didFinishLoading(
   RunCallbackOnWorkerThread();
 }
 
-void NotificationImageLoader::didFail(WebURLLoader* loader,
+void NotificationSoundLoader::didFail(WebURLLoader* loader,
                                       const WebURLError& error) {
   if (completed_)
     return;
@@ -78,7 +78,7 @@ void NotificationImageLoader::didFail(WebURLLoader* loader,
   RunCallbackOnWorkerThread();
 }
 
-void NotificationImageLoader::RunCallbackOnWorkerThread() {
+void NotificationSoundLoader::RunCallbackOnWorkerThread() {
   url_loader_.reset();
 
   completed_ = true;
@@ -92,7 +92,7 @@ void NotificationImageLoader::RunCallbackOnWorkerThread() {
   }
 }
 
-SkBitmap NotificationImageLoader::GetDecodedImage() const {
+SkBitmap NotificationSoundLoader::GetDecodedImage() const {
   DCHECK(completed_);
   if (buffer_.empty())
     return SkBitmap();
@@ -101,7 +101,7 @@ SkBitmap NotificationImageLoader::GetDecodedImage() const {
   return decoder.Decode(&buffer_[0], buffer_.size());
 }
 
-void NotificationImageLoader::DeleteOnCorrectThread() const {
+void NotificationSoundLoader::DeleteOnCorrectThread() const {
   if (!ChildThreadImpl::current()) {
     main_thread_task_runner_->DeleteSoon(FROM_HERE, this);
     return;