Make the AppCacheDispatcherHost be a MessageFilter so that ResourceMessageFil...

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
 #if defined(OS_POSIX)
 #include <utility>  // for pair<>
 #endif
 
 #include "app/app_switches.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/platform_file.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/thread.h"
 #include "base/thread_restrictions.h"
+#include "chrome/browser/appcache/appcache_dispatcher_host.h"
 #include "chrome/browser/browser_child_process_host.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/extensions/user_script_master.h"
 #include "chrome/browser/gpu_process_host.h"
 #include "chrome/browser/history/history.h"
@@ skipping 337 matching lines @@
   scoped_refptr<ResourceMessageFilter> resource_message_filter(
       new ResourceMessageFilter(g_browser_process->resource_dispatcher_host(),
                                 id(),
                                 PluginService::GetInstance(),
                                 g_browser_process->print_job_manager(),
                                 profile(),
                                 widget_helper_));
   channel_->AddFilter(resource_message_filter);
 
   channel_->AddFilter(new AudioRendererHost());
+  channel_->AddFilter(

[jennb, 2010/12/04 00:31:51]

Does order of the filters matter?  I.e. would we want AppCacheDispatcherHost to
handle the message before AudioRendererHost?

+      new AppCacheDispatcherHost(profile()->GetRequestContext(), id()));
   channel_->AddFilter(new PepperFileMessageFilter(id(), profile()));
 }
 
 int BrowserRenderProcessHost::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
 void BrowserRenderProcessHost::CancelResourceRequests(int render_widget_id) {
   widget_helper_->CancelResourceRequests(render_widget_id);
 }
@@ skipping 772 matching lines @@
         IPC::InvalidPlatformFileForTransit(),
         std::vector<std::string>(),
         std::string(),
         false));
   }
 }
 
 void BrowserRenderProcessHost::EnableAutoSpellCorrect(bool enable) {
   Send(new ViewMsg_SpellChecker_EnableAutoSpellCorrect(enable));
 }