Task manager's apps and extensions should show the correct favicon

extensions/browser/test_image_loader.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 "extensions/browser/test_image_loader.h"
+
+#include "base/bind.h"
+#include "extensions/browser/image_loader.h"
+#include "extensions/common/extension.h"
+
+namespace extensions {
+
+TestImageLoader::TestImageLoader() : waiting_(false), image_loaded_(false) {}
+
+TestImageLoader::~TestImageLoader() {}
+
+// static
+SkBitmap TestImageLoader::LoadAndGetExtensionBitmap(
+    const Extension* extension,
+    const std::string& image_path,
+    int size) {
+  TestImageLoader image_loader;
+  return image_loader.LoadAndGetBitmap(extension, image_path, size);
+}
+
+void TestImageLoader::OnImageLoaded(const gfx::Image& image) {
+  image_ = image;
+  image_loaded_ = true;
+  if (waiting_)
+    loader_message_loop_quit_.Run();
+}
+
+SkBitmap TestImageLoader::LoadAndGetBitmap(const Extension* extension,
+                                           const std::string& path,
+                                           int size) {
+  image_loaded_ = false;
+
+  ImageLoader image_loader;
+  image_loader.LoadImageAsync(
+      extension, extension->GetResource(path), gfx::Size(size, size),
+      base::Bind(&TestImageLoader::OnImageLoaded, base::Unretained(this)));
+
+  // If |image_| still hasn't been loaded (i.e. it is being loaded
+  // asynchronously), wait for it.
+  if (!image_loaded_) {
+    waiting_ = true;
+    base::RunLoop run_loop;
+    loader_message_loop_quit_ = run_loop.QuitClosure();
+    run_loop.Run();
+    waiting_ = false;
+  }
+
+  DCHECK(image_loaded_);
+
+  return image_.IsEmpty() ? SkBitmap() : *image_.ToSkBitmap();
+}
+
+}  // namespace extensions