Pass RenderFrameHost to WebContentObservers' message handlers

chrome/browser/guest_view/web_view/plugin_permission_helper.cc

 // Copyright 2014 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/guest_view/web_view/plugin_permission_helper.h"
 
 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
 #include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/user_metrics.h"
 
 using content::BrowserPluginGuestDelegate;
 using content::RenderViewHost;
 using content::WebContents;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(PluginPermissionHelper);
 
 PluginPermissionHelper::PluginPermissionHelper(WebContents* contents)
     : content::WebContentsObserver(contents),
       weak_factory_(this) {
 }
 
 PluginPermissionHelper::~PluginPermissionHelper() {
 }
 
+bool PluginPermissionHelper::OnMessageReceived(
+    const IPC::Message& message,
+    content::RenderFrameHost* render_frame_host) {
+  IPC_BEGIN_MESSAGE_MAP(PluginPermissionHelper, message)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedOutdatedPlugin,
+                        OnBlockedOutdatedPlugin)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedUnauthorizedPlugin,
+                        OnBlockedUnauthorizedPlugin)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
+                        OnNPAPINotSupported)
+    IPC_MESSAGE_UNHANDLED(return false)
+  IPC_END_MESSAGE_MAP()
+
+  return true;
+}
+
 bool PluginPermissionHelper::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(PluginPermissionHelper, message)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedUnauthorizedPlugin,
-                        OnBlockedUnauthorizedPlugin)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
                         OnCouldNotLoadPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_BlockedOutdatedPlugin,
-                        OnBlockedOutdatedPlugin)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_NPAPINotSupported,
-                        OnNPAPINotSupported)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_OpenAboutPlugins,
                         OnOpenAboutPlugins)
 #if defined(ENABLE_PLUGIN_INSTALLATION)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_FindMissingPlugin,
                         OnFindMissingPlugin)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RemovePluginPlaceholderHost,
                         OnRemovePluginPlaceholderHost)
 #endif
     IPC_MESSAGE_UNHANDLED(return false)
   IPC_END_MESSAGE_MAP()
@@ skipping 51 matching lines @@
 #endif // defined(ENABLE_PLUGIN_INSTALLATION)
 
 void PluginPermissionHelper::OnPermissionResponse(const std::string& identifier,
                                                   bool allow,
                                                   const std::string& input) {
   if (allow) {
     ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
         web_contents(), true, identifier);
   }
 }