Refactor extension event distribution to use Values instead of JSON strings.

chrome/browser/bookmarks/bookmark_manager_extension_api.cc

Index: chrome/browser/bookmarks/bookmark_manager_extension_api.cc
diff --git a/chrome/browser/bookmarks/bookmark_manager_extension_api.cc b/chrome/browser/bookmarks/bookmark_manager_extension_api.cc
index 159d7f8866b6703ccdec0f38ceaa440ed7379ee2..51296083e5d1e54cb015c63903676f75bf26ee72 100644
--- a/chrome/browser/bookmarks/bookmark_manager_extension_api.cc
+++ b/chrome/browser/bookmarks/bookmark_manager_extension_api.cc
@@ -166,14 +166,12 @@ BookmarkManagerExtensionEventRouter::~BookmarkManagerExtensionEventRouter() {
 }
 
 void BookmarkManagerExtensionEventRouter::DispatchEvent(const char* event_name,
-                                                        const ListValue* args) {
+                                                        ListValue* args) {
   if (!profile_->GetExtensionEventRouter())
     return;
 
-  std::string json_args;
-  base::JSONWriter::Write(args, &json_args);
   profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
-      event_name, json_args, NULL, GURL());
+      event_name, args, NULL, GURL());
 }
 
 void BookmarkManagerExtensionEventRouter::DispatchDragEvent(
@@ -181,9 +179,9 @@ void BookmarkManagerExtensionEventRouter::DispatchDragEvent(
   if (data.size() == 0)
     return;
 
-  ListValue args;
-  BookmarkNodeDataToJSON(profile_, data, &args);
-  DispatchEvent(event_name, &args);
+  ListValue* args = new ListValue();
+  BookmarkNodeDataToJSON(profile_, data, args);
+  DispatchEvent(event_name, args);
 }
 
 void BookmarkManagerExtensionEventRouter::OnDragEnter(