Refer to ui::ResourceBundle with namespace in chrome/

ResourceBundle became ui::ResourceBundle in r72038 but many callers
still refer to it without the namespace.

Change-Id: I7a150f17f4b150cb7035627063588331b12aea57
Reviewed-on: https://chromium-review.googlesource.com/696130
Reviewed-by: Sadrul Chowdhury <[email protected]>
Commit-Queue: Lei Zhang <[email protected]>
Cr-Commit-Position: refs/heads/master@{#506065}
diff --git a/chrome/browser/extensions/extension_install_prompt.cc b/chrome/browser/extensions/extension_install_prompt.cc
index e3e6e6b..84415e9 100644
--- a/chrome/browser/extensions/extension_install_prompt.cc
+++ b/chrome/browser/extensions/extension_install_prompt.cc
@@ -440,7 +440,7 @@
     rating_fractional = 0;
   }
 
-  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   int i;
   for (i = 0; i < rating_integer; i++) {
     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_ON), data);