Only allow one theme installation infobar to be shown at a time.

BUG=None
TEST=Install two themes without closing the infobar - make sure only one infobar is visible.

Review URL: http://codereview.chromium.org/160296

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21910 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 0 deletions

diff --git a/chrome/browser/tab_contents/infobar_delegate.h b/chrome/browser/tab_contents/infobar_delegate.h
index f8ce253..569ad1d 100644
--- a/chrome/browser/tab_contents/infobar_delegate.h
+++ b/chrome/browser/tab_contents/infobar_delegate.h
@@ -16,6 +16,7 @@ class AlertInfoBarDelegate;
 class ConfirmInfoBarDelegate;
 class InfoBar;
 class LinkInfoBarDelegate;
+class ThemePreviewInfobarDelegate;
 
 // An interface implemented by objects wishing to control an InfoBar.
 // Implementing this interface is not sufficient to use an InfoBar, since it
@@ -95,6 +96,12 @@ class InfoBarDelegate {
     return NULL;
   }
 
+  // Returns a pointer to the ThemePreviewInfobarDelegate interface, if
+  // implemented.
+  virtual ThemePreviewInfobarDelegate* AsThemePreviewInfobarDelegate() {
+    return NULL;
+  }
+
   // Returns the type of the infobar.  The type determines the appearance (such
   // as background color) of the infobar.
   virtual Type GetInfoBarType() {