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

android_webview/browser/aw_content_browser_client.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 "android_webview/browser/aw_content_browser_client.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
 #include "android_webview/browser/aw_contents_client_bridge_base.h"
 #include "android_webview/browser/aw_contents_io_thread_client.h"
@@ skipping 50 matching lines @@
 
 private:
   virtual ~AwContentsMessageFilter();
 
   int process_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContentsMessageFilter);
 };
 
 AwContentsMessageFilter::AwContentsMessageFilter(int process_id)
-    : BrowserMessageFilter(AndroidWebViewMsgStart),
-      process_id_(process_id) {
+    : process_id_(process_id) {
 }
 
 AwContentsMessageFilter::~AwContentsMessageFilter() {
 }
 
 void AwContentsMessageFilter::OverrideThreadForMessage(
     const IPC::Message& message, BrowserThread::ID* thread) {
   if (message.type() == AwViewHostMsg_ShouldOverrideUrlLoading::ID) {
     *thread = BrowserThread::UI;
   }
@@ skipping 409 matching lines @@
                                                  WebPreferences* web_prefs) {
   if (!preferences_populater_.get()) {
     preferences_populater_ = make_scoped_ptr(native_factory_->
         CreateWebPreferencesPopulater());
   }
   preferences_populater_->PopulateFor(
       content::WebContents::FromRenderViewHost(rvh), web_prefs);
 }
 
 }  // namespace android_webview