Refactor extension app icon.

chrome/browser/extensions/extension_app_icon_loader.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 "chrome/browser/extensions/extension_app_icon_loader.h"
 
 #include "base/stl_util.h"
+#include "chrome/browser/extensions/extension_app_icon.h"
+#include "chrome/browser/extensions/extension_app_icon_service.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handlers/icons_handler.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/image/image_skia_operations.h"
 
@@ skipping 33 matching lines @@
 }
 
 void ExtensionAppIconLoader::FetchImage(const std::string& id) {
   if (map_.find(id) != map_.end())
     return;  // Already loading the image.
 
   const extensions::Extension* extension = GetExtensionByID(profile(), id);
   if (!extension)
     return;
 
-  std::unique_ptr<extensions::IconImage> image(new extensions::IconImage(
-      profile(), extension, extensions::IconsInfo::GetIcons(extension),
-      icon_size(), extensions::util::GetDefaultAppIcon(), this));
+  std::unique_ptr<ExtensionAppIcon> icon =
+      ExtensionAppIconService::Get(profile())->CreateIcon(this, id,
+                                                          icon_size());
 
   // Triggers image loading now instead of depending on paint message. This
   // makes the temp blank image be shown for shorter time and improves user
   // experience. See http://crbug.com/146114.
-  image->image_skia().EnsureRepsForSupportedScales();
-  map_[id] = std::move(image);
+  icon->EnsureRepsForSupportedScales();
+  map_[id] = std::move(icon);
 }
 
 void ExtensionAppIconLoader::ClearImage(const std::string& id) {
   map_.erase(id);
 }
 
 void ExtensionAppIconLoader::UpdateImage(const std::string& id) {
   ExtensionIDToImageMap::iterator it = map_.find(id);
   if (it == map_.end())
     return;
 
-  BuildImage(it->first, it->second->image_skia());
+  it->second->UpdateIcon();
 }
 
-void ExtensionAppIconLoader::OnExtensionIconImageChanged(
-    extensions::IconImage* image) {
-  for (const auto& pair : map_) {
-    if (pair.second.get() == image) {
-      BuildImage(pair.first, pair.second->image_skia());
-      return;
-    }
-  }
-  // The image has been removed, do nothing.
-}
-
-void ExtensionAppIconLoader::BuildImage(const std::string& id,
-                                        const gfx::ImageSkia& icon) {
-  gfx::ImageSkia image = icon;
-
-#if defined(OS_CHROMEOS)
-  util::MaybeApplyChromeBadge(profile(), id, &image);
-#endif
-
-  if (!util::IsAppLaunchable(id, profile())) {
-    const color_utils::HSL shift = {-1, 0, 0.6};
-    image = gfx::ImageSkiaOperations::CreateHSLShiftedImage(image, shift);
-  }
-
-  delegate()->OnAppImageUpdated(id, image);
+void ExtensionAppIconLoader::OnIconUpdated(ExtensionAppIcon* icon) {
+  delegate()->OnAppImageUpdated(icon->app_id(), icon->image_skia());
 }
 
 }  // namespace extensions