Provide sync integration tests with a way to set a favicon for a bookmark.

chrome/test/live_sync/bookmark_model_verifier.h

Index: chrome/test/live_sync/bookmark_model_verifier.h
diff --git a/chrome/test/live_sync/bookmark_model_verifier.h b/chrome/test/live_sync/bookmark_model_verifier.h
index 3051ddccc498418175450de7e48e4f9d7c0db4cb..5ba3dd125bd4c0ec9f3570cc83798ce547fcc0d6 100644
--- a/chrome/test/live_sync/bookmark_model_verifier.h
+++ b/chrome/test/live_sync/bookmark_model_verifier.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ -29,18 +30,10 @@ class BookmarkModelVerifier {
   ~BookmarkModelVerifier() {}
 
   // Checks if the hierarchies in |model_a| and |model_b| are equivalent in
-  // terms of the data model. Compares favicons if |compare_favicons| is true.
-  // Returns true if they match.
+  // terms of the data model and favicon. Returns true if they both match.
   // Note: Some peripheral fields like creation times are allowed to mismatch.
   static bool ModelsMatch(BookmarkModel* model_a,
-                          BookmarkModel* model_b,
-                          bool compare_favicons) WARN_UNUSED_RESULT;
-
-  // Same as the above method, but does not check if the favicons match.
-  static bool ModelsMatch(BookmarkModel* model_a,
-                          BookmarkModel* model_b) WARN_UNUSED_RESULT {
-    return ModelsMatch(model_a, model_b, false);
-  }
+                          BookmarkModel* model_b) WARN_UNUSED_RESULT;
 
   // Checks if |model| contains any instances of two bookmarks with the same URL
   // under the same parent folder. Returns true if even one instance is found.
@@ -71,6 +64,13 @@ class BookmarkModelVerifier {
                 const BookmarkNode* node,
                 const string16& title);
 
+  // Sets the favicon of the same node in |model| and |verifier_model_| using
+  // the data in |icon_bytes_vector|.
+  // See BookmarkChangeProcessor::ApplyBookmarkFavicon for details.
+  void SetFavicon(BookmarkModel* model,
+                  const BookmarkNode* node,
+                  const std::vector<unsigned char>& icon_bytes_vector);
+
   // Moves the same node to the same position in both |model| and
   // |verifier_model_|. See BookmarkModel::Move for details.
   void Move(BookmarkModel* model,