arc: Set custom icon in shelf for ARC apps.

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 14 matching lines @@
 #include "content/public/browser/browser_thread.h"
 #include "extensions/grit/extensions_browser_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/image/image_skia_source.h"
 
 namespace {
 
-bool disable_safe_decoding = false;
+bool disable_safe_decoding_for_testing = false;
 
 std::string GetAppFromAppOrGroupId(content::BrowserContext* context,
                                    const std::string& app_or_group_id) {
   const arc::ArcAppShelfId app_shelf_id = arc::ArcAppShelfId::FromString(
       app_or_group_id);
   if (!app_shelf_id.has_shelf_group_id())
     return app_shelf_id.app_id();
 
   const ArcAppListPrefs* const prefs = ArcAppListPrefs::Get(context);
   DCHECK(prefs);
@@ skipping 183 matching lines @@
 
   host_->MaybeRequestIcon(scale_factor_);
   host_->DiscardDecodeRequest(this);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ArcAppIcon
 
 // static
 void ArcAppIcon::DisableSafeDecodingForTesting() {
-  disable_safe_decoding = true;
+  disable_safe_decoding_for_testing = true;
+}
+
+// static
+bool ArcAppIcon::IsSafeDecodingDisabledForTesting() {
+  return disable_safe_decoding_for_testing;
 }
 
 ArcAppIcon::ArcAppIcon(content::BrowserContext* context,
                        const std::string& app_id,
                        int resource_size_in_dip,
                        Observer* observer)
     : context_(context),
       app_id_(GetAppFromAppOrGroupId(context, app_id)),
       resource_size_in_dip_(resource_size_in_dip),
       observer_(observer),
@@ skipping 78 matching lines @@
     std::unique_ptr<ArcAppIcon::ReadResult> read_result) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   if (read_result->request_to_install)
     MaybeRequestIcon(read_result->scale_factor);
 
   if (!read_result->unsafe_icon_data.empty()) {
     decode_requests_.push_back(base::MakeUnique<DecodeRequest>(
         weak_ptr_factory_.GetWeakPtr(), resource_size_in_dip_,
         read_result->scale_factor));
-    if (disable_safe_decoding) {
+    if (disable_safe_decoding_for_testing) {
       SkBitmap bitmap;
       if (!read_result->unsafe_icon_data.empty() &&
           gfx::PNGCodec::Decode(
               reinterpret_cast<const unsigned char*>(
                   &read_result->unsafe_icon_data.front()),
               read_result->unsafe_icon_data.length(),
               &bitmap)) {
         decode_requests_.back()->OnImageDecoded(bitmap);
       } else {
         decode_requests_.back()->OnDecodeImageFailed();
@@ skipping 23 matching lines @@
 void ArcAppIcon::DiscardDecodeRequest(DecodeRequest* request) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   auto it = std::find_if(decode_requests_.begin(), decode_requests_.end(),
                          [request](const std::unique_ptr<DecodeRequest>& ptr) {
                            return ptr.get() == request;
                          });
   CHECK(it != decode_requests_.end());
   decode_requests_.erase(it);
 }