Revert of base: Remove using:: declaration from version.h header.

content/browser/plugin_data_remover_impl.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 "content/browser/plugin_data_remover_impl.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
@@ skipping 29 matching lines @@
   return new PluginDataRemoverImpl(browser_context);
 }
 
 // static
 void PluginDataRemover::GetSupportedPlugins(
     std::vector<WebPluginInfo>* supported_plugins) {
   bool allow_wildcard = false;
   std::vector<WebPluginInfo> plugins;
   PluginService::GetInstance()->GetPluginInfoArray(
       GURL(), kFlashPluginSwfMimeType, allow_wildcard, &plugins, NULL);
-  base::Version min_version(kMinFlashVersion);
+  Version min_version(kMinFlashVersion);
   for (std::vector<WebPluginInfo>::iterator it = plugins.begin();
        it != plugins.end(); ++it) {
-    base::Version version;
+    Version version;
     WebPluginInfo::CreateVersionFromString(it->version, &version);
     if (version.IsValid() && min_version.CompareTo(version) == -1)
       supported_plugins->push_back(*it);
   }
 }
 
 class PluginDataRemoverImpl::Context
     : public PluginProcessHost::Client,
       public PpapiPluginProcessHost::BrokerClient,
       public IPC::Listener,
@@ skipping 247 matching lines @@
 
 base::WaitableEvent* PluginDataRemoverImpl::StartRemoving(
     base::Time begin_time) {
   DCHECK(!context_.get());
   context_ = new Context(begin_time, browser_context_);
   context_->Init(mime_type_);
   return context_->event();
 }
 
 }  // namespace content