Receive all messages in PluginObserver from the RenderFrameHost.

chrome/browser/plugins/plugin_observer.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/plugins/plugin_observer.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/debug/crash_logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 318 matching lines @@
       &web_contents()->GetController(),
       infobar_text);
 }
 
 bool PluginObserver::OnMessageReceived(
       const IPC::Message& message,
       content::RenderFrameHost* render_frame_host) {
   IPC_BEGIN_MESSAGE_MAP(PluginObserver, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedOutdatedPlugin,
                         OnBlockedOutdatedPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
-                        OnNPAPINotSupported)
-
-    IPC_MESSAGE_UNHANDLED(return false)
-  IPC_END_MESSAGE_MAP()
-
-  return true;
-}
-
-bool PluginObserver::OnMessageReceived(const IPC::Message& message) {
-  IPC_BEGIN_MESSAGE_MAP(PluginObserver, message)
 #if defined(ENABLE_PLUGIN_INSTALLATION)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RemovePluginPlaceholderHost,
                         OnRemovePluginPlaceholderHost)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_OpenAboutPlugins,
                         OnOpenAboutPlugins)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
                         OnCouldNotLoadPlugin)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
+                        OnNPAPINotSupported)
 
     IPC_MESSAGE_UNHANDLED(return false)
   IPC_END_MESSAGE_MAP()
 
   return true;
 }
 
 void PluginObserver::OnBlockedOutdatedPlugin(int placeholder_id,
                                              const std::string& identifier) {
 #if defined(ENABLE_PLUGIN_INSTALLATION)
@@ skipping 74 matching lines @@
   scoped_ptr<PluginMetadata> plugin;
   bool ret = PluginFinder::GetInstance()->FindPluginWithIdentifier(
       identifier, NULL, &plugin);
   DCHECK(ret);
 
   PluginMetroModeInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents()),
       PluginMetroModeInfoBarDelegate::DESKTOP_MODE_REQUIRED, plugin->name());
 #endif
 }