chromeos: Fix pixelated icons in app list and launcher (part 2) (by xiyuan)

chrome/browser/extensions/app_shortcut_manager.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/app_shortcut_manager.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/web_applications/web_app.h"
@@ skipping 95 matching lines @@
 }
 
 // static
 void AppShortcutManager::SetShortcutCreationDisabledForTesting(bool disabled) {
   disable_shortcut_creation_for_tests = disabled;
 }
 
 void AppShortcutManager::InstallApplicationShortcuts(
     const Extension* extension) {
   shortcut_info_ = ShortcutInfoForExtensionAndProfile(extension, profile_);
-  std::vector<ImageLoadingTracker::ImageInfo> info_list;
+
+  std::vector<ImageLoadingTracker::ImageRepresentation> info_list;
   for (size_t i = 0; i < arraysize(kDesiredSizes); ++i) {
     int size = kDesiredSizes[i];
     ExtensionResource resource = extension->GetIconResource(
         size, ExtensionIconSet::MATCH_EXACTLY);
     if (!resource.empty()) {
-      info_list.push_back(
-          ImageLoadingTracker::ImageInfo(resource, gfx::Size(size, size)));
+      info_list.push_back(ImageLoadingTracker::ImageRepresentation(
+          resource,
+          ImageLoadingTracker::ImageRepresentation::RESIZE_WHEN_LARGER,
+          gfx::Size(size, size),
+          ui::SCALE_FACTOR_100P));
     }
   }
 
   if (info_list.empty()) {
     size_t i = arraysize(kDesiredSizes) - 1;
     int size = kDesiredSizes[i];
 
     // If there is no icon at the desired sizes, we will resize what we can get.
     // Making a large icon smaller is prefered to making a small icon larger, so
     // look for a larger icon first:
     ExtensionResource resource = extension->GetIconResource(
         size, ExtensionIconSet::MATCH_BIGGER);
     if (resource.empty()) {
       resource = extension->GetIconResource(
           size, ExtensionIconSet::MATCH_SMALLER);
     }
-    info_list.push_back(
-        ImageLoadingTracker::ImageInfo(resource, gfx::Size(size, size)));
+    info_list.push_back(ImageLoadingTracker::ImageRepresentation(
+        resource,
+        ImageLoadingTracker::ImageRepresentation::RESIZE_WHEN_LARGER,
+        gfx::Size(size, size),
+        ui::SCALE_FACTOR_100P));
   }
 
   // |icon_resources| may still be empty at this point, in which case LoadImage
   // will call the OnImageLoaded callback with an empty image and exit
   // immediately.
   tracker_.LoadImages(extension, info_list, ImageLoadingTracker::DONT_CACHE);
 }
 
 void AppShortcutManager::DeleteApplicationShortcuts(
     const Extension* extension) {
   ShellIntegration::ShortcutInfo delete_info =
       ShortcutInfoForExtensionAndProfile(extension, profile_);
   web_app::DeleteAllShortcuts(delete_info);
 }