Bump BookmarkPrompt experiment up to 10% in experiment group.

chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc

Index: chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc
diff --git a/chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc b/chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc
index 96df728401e7a118d21282e6fb96c2ab38c0dc4e..6098ca592310f0e9300e8c26e4d5a3cb89a6d36a 100644
--- a/chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc
+++ b/chrome/browser/ui/bookmarks/bookmark_prompt_controller.cc
@@ -231,8 +231,8 @@ bool BookmarkPromptController::IsEnabled() {
           date_range->expiration_date.month,
           date_range->expiration_date.day_of_month, NULL));
   trial->UseOneTimeRandomization();
-  trial->AppendGroup(kBookmarkPromptControlGroup, 99);
-  trial->AppendGroup(kBookmarkPromptExperimentGroup, 1);
+  trial->AppendGroup(kBookmarkPromptControlGroup, 10);
+  trial->AppendGroup(kBookmarkPromptExperimentGroup, 10);
 
   chrome_variations::AssociateGoogleVariationID(
       chrome_variations::GOOGLE_UPDATE_SERVICE,