arc: Update PlayStore icons to round style

chrome/browser/ui/app_list/arc/arc_app_icon.cc

 // 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 "chrome/browser/ui/app_list/arc/arc_app_icon.h"
 
 #include <algorithm>
 #include <map>
 #include <memory>
 #include <utility>
@@ skipping 109 matching lines @@
                            int resource_size_in_dip)
     : host_(host),
       resource_size_in_dip_(resource_size_in_dip) {
 }
 
 ArcAppIcon::Source::~Source() {
 }
 
 gfx::ImageSkiaRep ArcAppIcon::Source::GetImageForScale(float scale) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  if (host_)
-    host_->LoadForScaleFactor(ui::GetSupportedScaleFactor(scale));
 
   // Host loads icon asynchronously, so use default icon so far.
   int resource_id;
   if (host_ && host_->app_id() == arc::kPlayStoreAppId) {
+    // Don't request icon from Android side. Use overloaded Chrome icon for Play
+    // Store that is adopted according Chrome style.
     resource_id = scale >= 1.5f ?
         IDR_ARC_SUPPORT_ICON_96 : IDR_ARC_SUPPORT_ICON_48;
   } else {
+    if (host_)
+      host_->LoadForScaleFactor(ui::GetSupportedScaleFactor(scale));
     resource_id = IDR_APP_DEFAULT_ICON;
   }
 
   // Check |default_icons_cache_| and returns the existing one if possible.
   const auto key = std::make_pair(resource_id, resource_size_in_dip_);
   const auto it = default_icons_cache_.Get().find(key);
   if (it != default_icons_cache_.Get().end())
     return it->second.GetRepresentation(scale);
 
   const gfx::ImageSkia* default_image = ResourceBundle::GetSharedInstance().
@@ skipping 214 matching lines @@
 
 void ArcAppIcon::DiscardDecodeRequest(DecodeRequest* request) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   ScopedVector<DecodeRequest>::iterator it = std::find(decode_requests_.begin(),
                                                        decode_requests_.end(),
                                                        request);
   CHECK(it != decode_requests_.end());
   decode_requests_.erase(it);
 }