Show extension tabs in task manager and correctly label apps.

chrome/browser/tab_contents/tab_contents.h

Index: chrome/browser/tab_contents/tab_contents.h
diff --git a/chrome/browser/tab_contents/tab_contents.h b/chrome/browser/tab_contents/tab_contents.h
index 19a61a8cd2491172d17849cd1169450321b17841..b409595ccdc3ffa7983847d068c6dcec0eb6e119 100644
--- a/chrome/browser/tab_contents/tab_contents.h
+++ b/chrome/browser/tab_contents/tab_contents.h
@@ -194,6 +194,12 @@ class TabContents : public PageNavigator,
 
   // App extensions ------------------------------------------------------------
 
+  // Returns whether this tab is showing either a hosted or packaged app.
+  bool IsInstalledApp() const;
+
+  // TODO(creis): The app-tab functions below are deprecated and should be
+  // removed.
+
   // Sets the extension denoting this as an app. If |extension| is non-null this
   // tab becomes an app-tab. TabContents does not listen for unload events for
   // the extension. It's up to consumers of TabContents to do that.
@@ -209,6 +215,8 @@ class TabContents : public PageNavigator,
   void SetExtensionAppById(const std::string& extension_app_id);
 
   const Extension* extension_app() const { return extension_app_; }
+
+  // Returns whether this tab is an app-tab (deprecated).
   bool is_app() const { return extension_app_ != NULL; }
 
   // If an app extension has been explicitly set for this TabContents its icon