Revert 268939 "Pass RenderFrameHost to WebContentObservers' mess..."

trunk/src/chrome/browser/content_settings/tab_specific_content_settings.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/content_settings/tab_specific_content_settings.h"
 
 #include <list>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 621 matching lines @@
 
 void TabSpecificContentSettings::RenderFrameForInterstitialPageCreated(
     content::RenderFrameHost* render_frame_host) {
   // We want to tell the renderer-side code to ignore content settings for this
   // page.
   render_frame_host->Send(new ChromeViewMsg_SetAsInterstitial(
       render_frame_host->GetRoutingID()));
 }
 
 bool TabSpecificContentSettings::OnMessageReceived(
-    const IPC::Message& message,
-    content::RenderFrameHost* render_frame_host) {
+    const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TabSpecificContentSettings, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ContentBlocked, OnContentBlocked)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void TabSpecificContentSettings::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
@@ skipping 69 matching lines @@
 }
 
 void TabSpecificContentSettings::RemoveSiteDataObserver(
     SiteDataObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void TabSpecificContentSettings::NotifySiteDataObservers() {
   FOR_EACH_OBSERVER(SiteDataObserver, observer_list_, OnSiteDataAccessed());
 }