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

chrome/renderer/extensions/chrome_v8_context_set.cc

Index: chrome/renderer/extensions/chrome_v8_context_set.cc
diff --git a/chrome/renderer/extensions/chrome_v8_context_set.cc b/chrome/renderer/extensions/chrome_v8_context_set.cc
index dfe3d85fa532b03c1ffa89f8a1609598f7e8104a..aa93d4a7a2de50b551ff2e9e44e9f509dfc0c5d2 100644
--- a/chrome/renderer/extensions/chrome_v8_context_set.cc
+++ b/chrome/renderer/extensions/chrome_v8_context_set.cc
@@ -148,7 +148,7 @@ void ChromeV8ContextSet::DispatchChromeHiddenMethod(
     // In debug, the js will validate the event parameters and return a
     // string if a validation error has occured.
     // TODO(rafaelw): Consider only doing this check if function_name ==
-    // "Event.dispatchJSON".
+    // "Event.dispatch".
 #ifndef NDEBUG
     if (!retval.IsEmpty() && !retval->IsUndefined()) {
       std::string error = *v8::String::AsciiValue(retval);