Show extension tabs in task manager and correctly label apps.

chrome/browser/tab_contents/tab_contents.cc

Index: chrome/browser/tab_contents/tab_contents.cc
diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index 4a225b204b31a088d38e136fab078a03a1489f51..e21ac87f915c276a2b692ee38994396e939670a6 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -586,6 +586,19 @@ RenderProcessHost* TabContents::GetRenderProcessHost() const {
   return render_manager_.current_host()->process();
 }
 
+bool TabContents::IsInstalledApp() const {
+  ExtensionsService* extension_service = profile()->GetExtensionsService();
+
+  // Check for hosted app.
+  if (extension_service->GetExtensionByWebExtent(GetURL()) != NULL)
+    return true;
+
+  // Check for packaged app.
+  const Extension* extension =
+      extension_service->GetExtensionByURL(GetURL());
+  return extension != NULL && extension->is_app();
+}
+
 void TabContents::SetExtensionApp(const Extension* extension) {
   DCHECK(!extension || extension->GetFullLaunchURL().is_valid());
   extension_app_ = extension;