Revert "Allow MessageFilters to restrict listening to specific message classes"

content/browser/loader/resource_scheduler_filter.cc

Index: content/browser/loader/resource_scheduler_filter.cc
diff --git a/content/browser/loader/resource_scheduler_filter.cc b/content/browser/loader/resource_scheduler_filter.cc
index 97e219e91bcbace3954086a7db630be342ce12e1..2cf32e6e89f5dad9cd0d2f7c09598063f63a23b8 100644
--- a/content/browser/loader/resource_scheduler_filter.cc
+++ b/content/browser/loader/resource_scheduler_filter.cc
@@ -11,17 +11,9 @@
 #include "content/public/common/page_transition_types.h"
 
 namespace content {
-namespace {
-const uint32 kFilteredMessageClasses[] = {
-  FrameMsgStart,
-  ViewMsgStart,
-};
-}  // namespace
 
 ResourceSchedulerFilter::ResourceSchedulerFilter(int child_id)
-    : BrowserMessageFilter(
-          kFilteredMessageClasses, arraysize(kFilteredMessageClasses)),
-      child_id_(child_id) {
+    : child_id_(child_id) {
 }
 
 ResourceSchedulerFilter::~ResourceSchedulerFilter() {