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 21 matching lines @@
 #include "net/ssl/ssl_info.h"
 #include "ui/base/l10n/l10n_util_android.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "webkit/common/webpreferences.h"
 
 using content::BrowserThread;
 
 namespace android_webview {
 namespace {
 
+const uint32 kFilteredMessageClasses[] = {
+  AndroidWebViewMsgStart
+};
+
 // TODO(sgurun) move this to its own file.
 // This class filters out incoming aw_contents related IPC messages for the
 // renderer process on the IPC thread.
 class AwContentsMessageFilter : public content::BrowserMessageFilter {
 public:
   explicit AwContentsMessageFilter(int process_id);
 
   // BrowserMessageFilter methods.
   virtual void OverrideThreadForMessage(
       const IPC::Message& message,
       BrowserThread::ID* thread) OVERRIDE;
   virtual bool OnMessageReceived(
       const IPC::Message& message,
       bool* message_was_ok) OVERRIDE;
 
   void OnShouldOverrideUrlLoading(int routing_id,
                                   const base::string16& url,
                                   bool* ignore_navigation);
   void OnSubFrameCreated(int parent_render_frame_id, int child_render_frame_id);
 
 private:
   virtual ~AwContentsMessageFilter();
 
   int process_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContentsMessageFilter);
 };
 
 AwContentsMessageFilter::AwContentsMessageFilter(int process_id)
-    : process_id_(process_id) {
+    : BrowserMessageFilter(
+          kFilteredMessageClasses, arraysize(kFilteredMessageClasses)),
+      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