Launch panels as popup windows in Aura, and add separate launcher icon logic for panels.

chrome/browser/extensions/extension_tab_helper.cc

Index: chrome/browser/extensions/extension_tab_helper.cc
diff --git a/chrome/browser/extensions/extension_tab_helper.cc b/chrome/browser/extensions/extension_tab_helper.cc
index 6ec0221e59a84f62b5a5a49e9757a8cdf9d1851b..ae1be4dc89a97e32c76654db654d96f95efaf82e 100644
--- a/chrome/browser/extensions/extension_tab_helper.cc
+++ b/chrome/browser/extensions/extension_tab_helper.cc
@@ -64,23 +64,36 @@ void ExtensionTabHelper::SetExtensionApp(const Extension* extension) {
       content::NotificationService::NoDetails());
 }
 
-void ExtensionTabHelper::SetExtensionAppById(
+const Extension* ExtensionTabHelper::GetExtension(
     const std::string& extension_app_id) {
   if (extension_app_id.empty())
-    return;
+    return NULL;
 
   Profile* profile =
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   ExtensionService* extension_service = profile->GetExtensionService();
   if (!extension_service || !extension_service->is_ready())
-    return;
+    return NULL;
 
   const Extension* extension =
       extension_service->GetExtensionById(extension_app_id, false);
+  return extension;
+}
+
+void ExtensionTabHelper::SetExtensionAppById(
+    const std::string& extension_app_id) {
+  const Extension* extension = GetExtension(extension_app_id);
   if (extension)
     SetExtensionApp(extension);
 }
 
+void ExtensionTabHelper::SetExtensionAppIconById(
+    const std::string& extension_app_id) {
+  const Extension* extension = GetExtension(extension_app_id);
+  if (extension)
+    UpdateExtensionAppIcon(extension);
+}
+
 SkBitmap* ExtensionTabHelper::GetExtensionAppIcon() {
   if (extension_app_icon_.empty())
     return NULL;