Implement Just-In-Time Flash updates.

chrome/renderer/plugins/chrome_plugin_placeholder.h

 // Copyright 2013 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.
 
 #ifndef CHROME_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_
 #define CHROME_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 27 matching lines @@
       const PowerSaverInfo& power_saver_info);
 
   // Creates a new WebViewPlugin with a MissingPlugin as a delegate.
   static ChromePluginPlaceholder* CreateLoadableMissingPlugin(
       content::RenderFrame* render_frame,
       blink::WebLocalFrame* frame,
       const blink::WebPluginParams& params);
 
   void SetStatus(ChromeViewHostMsg_GetPluginInfo_Status status);
 
-#if defined(ENABLE_PLUGIN_INSTALLATION)
   int32_t CreateRoutingId();
-#endif
 
  private:
   ChromePluginPlaceholder(content::RenderFrame* render_frame,
                           blink::WebLocalFrame* frame,
                           const blink::WebPluginParams& params,
                           const std::string& html_data,
                           const base::string16& title);
   ~ChromePluginPlaceholder() override;
 
   // content::LoadablePluginPlaceholder overrides.
@@ skipping 24 matching lines @@
 
   // IPC message handlers:
 #if defined(ENABLE_PLUGIN_INSTALLATION)
   void OnDidNotFindMissingPlugin();
   void OnFoundMissingPlugin(const base::string16& plugin_name);
   void OnStartedDownloadingPlugin();
   void OnFinishedDownloadingPlugin();
   void OnErrorDownloadingPlugin(const std::string& error);
   void OnCancelledDownloadingPlugin();
 #endif
+  void OnPluginComponentUpdateDownloading();
+  void OnPluginComponentUpdateSuccess();
+  void OnPluginComponentUpdateFailure();
 
   ChromeViewHostMsg_GetPluginInfo_Status status_;
 
   base::string16 title_;
 
-#if defined(ENABLE_PLUGIN_INSTALLATION)
   // |routing_id()| is the routing ID of our associated RenderView, but we have
   // a separate routing ID for messages specific to this placeholder.
   int32_t placeholder_routing_id_ = MSG_ROUTING_NONE;
 
+#if defined(ENABLE_PLUGIN_INSTALLATION)
   bool has_host_ = false;
 #endif
 
   int context_menu_request_id_;  // Nonzero when request pending.
   base::string16 plugin_name_;
 
   bool did_send_blocked_content_notification_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromePluginPlaceholder);
 };
 
 #endif  // CHROME_RENDERER_PLUGINS_CHROME_PLUGIN_PLACEHOLDER_H_