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

chrome/browser/renderer_host/chrome_render_message_filter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 25 matching lines @@
 #if defined(USE_TCMALLOC)
 #include "chrome/browser/browser_about_handler.h"
 #endif
 
 using content::BrowserThread;
 using extensions::APIPermission;
 using blink::WebCache;
 
 namespace {
 
-const uint32 kFilteredMessageClasses[] = {
-  ChromeMsgStart,
-  ExtensionMsgStart,
-};
-
 // Logs an action to the extension activity log for the specified profile.  Can
 // be called from any thread.
 void AddActionToExtensionActivityLog(
     Profile* profile,
     scoped_refptr<extensions::Action> action) {
 #if defined(ENABLE_EXTENSIONS)
   // The ActivityLog can only be accessed from the main (UI) thread.  If we're
   // running on the wrong thread, re-dispatch from the main thread.
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(
@@ skipping 13 matching lines @@
   }
 #endif
 }
 
 } // namespace
 
 ChromeRenderMessageFilter::ChromeRenderMessageFilter(
     int render_process_id,
     Profile* profile,
     net::URLRequestContextGetter* request_context)
-    : BrowserMessageFilter(
-          kFilteredMessageClasses, arraysize(kFilteredMessageClasses)),
-      render_process_id_(render_process_id),
+    : render_process_id_(render_process_id),
       profile_(profile),
       off_the_record_(profile_->IsOffTheRecord()),
       predictor_(profile_->GetNetworkPredictor()),
       request_context_(request_context),
       extension_info_map_(
           extensions::ExtensionSystem::Get(profile)->info_map()),
       cookie_settings_(CookieSettings::Factory::GetForProfile(profile)),
       weak_ptr_factory_(this) {
 }
 
@@ skipping 389 matching lines @@
 }
 
 void ChromeRenderMessageFilter::OnCanTriggerClipboardWrite(
     const GURL& origin, bool* allowed) {
   // Since all extensions could historically write to the clipboard, preserve it
   // for compatibility.
   *allowed = (origin.SchemeIs(extensions::kExtensionScheme) ||
       extension_info_map_->SecurityOriginHasAPIPermission(
           origin, render_process_id_, APIPermission::kClipboardWrite));
 }