Revert 138502 - Move version metadata from PluginGroup into PluginInstaller.

chrome/browser/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/plugin_observer.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 105 matching lines @@
 class PluginObserver::PluginPlaceholderHost : public PluginInstallerObserver {
  public:
   PluginPlaceholderHost(PluginObserver* observer,
                         int routing_id,
                         PluginInstaller* installer)
       : PluginInstallerObserver(installer),
         observer_(observer),
         routing_id_(routing_id) {
     DCHECK(installer);
     switch (installer->state()) {
-      case PluginInstaller::INSTALLER_STATE_IDLE: {
+      case PluginInstaller::kStateIdle: {
         observer->Send(new ChromeViewMsg_FoundMissingPlugin(routing_id_,
                                                             installer->name()));
         break;
       }
-      case PluginInstaller::INSTALLER_STATE_DOWNLOADING: {
+      case PluginInstaller::kStateDownloading: {
         DownloadStarted();
         break;
       }
     }
   }
 
   // PluginInstallerObserver methods:
   virtual void DownloadStarted() OVERRIDE {
     observer_->Send(new ChromeViewMsg_StartedDownloadingPlugin(routing_id_));
   }
@@ skipping 155 matching lines @@
 }
 #endif  // defined(ENABLE_PLUGIN_INSTALLATION)
 
 void PluginObserver::OnOpenAboutPlugins() {
     web_contents()->OpenURL(OpenURLParams(
         GURL(chrome::kAboutPluginsURL),
         content::Referrer(web_contents()->GetURL(),
                           WebKit::WebReferrerPolicyDefault),
         NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_TYPED, false));
 }