Change infobar creation to use a public static Create() method on the infobar delegate classes.

chrome/browser/extensions/theme_installed_infobar_delegate.h

Index: chrome/browser/extensions/theme_installed_infobar_delegate.h
===================================================================
--- chrome/browser/extensions/theme_installed_infobar_delegate.h	(revision 175396)
+++ chrome/browser/extensions/theme_installed_infobar_delegate.h	(working copy)
@@ -14,6 +14,7 @@
 
 class ExtensionService;
 class InfoBarService;
+class Profile;
 class ThemeService;
 
 namespace extensions {
@@ -25,27 +26,29 @@
 class ThemeInstalledInfoBarDelegate : public ConfirmInfoBarDelegate,
                                       public content::NotificationObserver {
  public:
+  // Creates a theme installed delegate and adds it to the last active tab on
+  // |profile|.
+  static void Create(const extensions::Extension* new_theme,
+                     Profile* profile,
+                     const std::string& previous_theme_id,
+                     bool previous_using_native_theme);
+
+ protected:
+  ThemeService* theme_service() { return theme_service_; }
+
+  // ConfirmInfoBarDelegate:
+  virtual bool Cancel() OVERRIDE;
+
+ private:
   ThemeInstalledInfoBarDelegate(InfoBarService* infobar_service,
                                 ExtensionService* extension_service,
                                 ThemeService* theme_service,
                                 const extensions::Extension* new_theme,
                                 const std::string& previous_theme_id,
                                 bool previous_using_native_theme);
-
-  // Returns true if the given theme is the same as the one associated with this
-  // info bar.
-  bool MatchesTheme(const extensions::Extension* theme) const;
-
- protected:
   virtual ~ThemeInstalledInfoBarDelegate();
 
-  ThemeService* theme_service() { return theme_service_; }
-
   // ConfirmInfoBarDelegate:
-  virtual bool Cancel() OVERRIDE;
-
- private:
-  // ConfirmInfoBarDelegate:
   virtual gfx::Image* GetIcon() const OVERRIDE;
   virtual Type GetInfoBarType() const OVERRIDE;
   virtual ThemeInstalledInfoBarDelegate*