Move BookmarkMatch into bookmarks namespace.

chrome/browser/autocomplete/bookmark_provider.h

Index: chrome/browser/autocomplete/bookmark_provider.h
diff --git a/chrome/browser/autocomplete/bookmark_provider.h b/chrome/browser/autocomplete/bookmark_provider.h
index fe730bab0d769862509cd06386a3e5a8b9f434d9..a77a474526a0440eff052d00881d093e150dcf7d 100644
--- a/chrome/browser/autocomplete/bookmark_provider.h
+++ b/chrome/browser/autocomplete/bookmark_provider.h
@@ -13,9 +13,12 @@
 #include "components/query_parser/snippet.h"
 
 class BookmarkModel;
-struct BookmarkMatch;
 class Profile;
 
+namespace bookmarks {
+struct BookmarkMatch;
+}
+
 // This class is an autocomplete provider which quickly (and synchronously)
 // provides autocomplete suggestions based on the titles of bookmarks. Page
 // titles, URLs, and typed and visit counts of the bookmarks are not currently
@@ -56,7 +59,7 @@ class BookmarkProvider : public AutocompleteProvider {
   AutocompleteMatch BookmarkMatchToACMatch(
       const AutocompleteInput& input,
       const base::string16& fixed_up_input_text,
-      const BookmarkMatch& match);
+      const bookmarks::BookmarkMatch& match);
 
   // Converts |positions| into ACMatchClassifications and returns the
   // classifications. |text_length| is used to determine the need to add an