Moves extension_icon_image and image_loader to extensions/browser

chrome/browser/extensions/image_loader_factory.cc

-// Copyright (c) 2012 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 "chrome/browser/extensions/image_loader_factory.h"
-
-#include "chrome/browser/extensions/image_loader.h"
-#include "components/keyed_service/content/browser_context_dependency_manager.h"
-#include "extensions/browser/extensions_browser_client.h"
-
-namespace extensions {
-
-// static
-ImageLoader* ImageLoaderFactory::GetForBrowserContext(
-    content::BrowserContext* context) {
-  return static_cast<ImageLoader*>(
-      GetInstance()->GetServiceForBrowserContext(context, true));
-}
-
-ImageLoaderFactory* ImageLoaderFactory::GetInstance() {
-  return Singleton<ImageLoaderFactory>::get();
-}
-
-ImageLoaderFactory::ImageLoaderFactory()
-    : BrowserContextKeyedServiceFactory(
-        "ImageLoader",
-        BrowserContextDependencyManager::GetInstance()) {
-}
-
-ImageLoaderFactory::~ImageLoaderFactory() {
-}
-
-KeyedService* ImageLoaderFactory::BuildServiceInstanceFor(
-    content::BrowserContext* context) const {
-  return new ImageLoader;
-}
-
-bool ImageLoaderFactory::ServiceIsCreatedWithBrowserContext() const {
-  return false;
-}
-
-content::BrowserContext* ImageLoaderFactory::GetBrowserContextToUse(
-    content::BrowserContext* context) const {
-  return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
-}
-
-}  // namespace extensions