Move InstallObserver::OnBeginExtensionInstall parameters to a struct

chrome/browser/extensions/install_observer.cc

Index: chrome/browser/extensions/install_observer.cc
diff --git a/chrome/browser/extensions/install_observer.cc b/chrome/browser/extensions/install_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1145951ced1438a79421e4da9f9202f9d06960ad
--- /dev/null
+++ b/chrome/browser/extensions/install_observer.cc
@@ -0,0 +1,21 @@
+// Copyright 2013 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/install_observer.h"
+
+namespace extensions {
+
+InstallObserver::ExtensionInstallParams::ExtensionInstallParams(
+    std::string extension_id,
+    std::string extension_name,
+    gfx::ImageSkia installing_icon,
+    bool is_app,
+    bool is_platform_app)
+        : extension_id(extension_id),
+          extension_name(extension_name),
+          installing_icon(installing_icon),
+          is_app(is_app),
+          is_platform_app(is_platform_app) {}
+
+}  // namespace extensions