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

chrome/common/pepper_flash.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 "base/strings/string_split.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/common/pepper_flash.h"
 #include "chrome/common/ppapi_utils.h"
 #include "ppapi/c/private/ppb_pdf.h"
@@ skipping 70 matching lines @@
     if (!CheckPepperFlashInterfaceString(interface_string))
       return false;
   }
 
   return true;
 }
 
 }  // namespace
 
 bool CheckPepperFlashManifest(const base::DictionaryValue& manifest,
-                              base::Version* version_out) {
+                              Version* version_out) {
   std::string name;
   manifest.GetStringASCII("name", &name);
   // TODO(viettrungluu): Support WinFlapper for now, while we change the format
   // of the manifest. (Should be safe to remove checks for "WinFlapper" in, say,
   // Nov. 2011.)  crbug.com/98458
   if (name != kPepperFlashManifestName && name != "WinFlapper")
     return false;
 
   std::string proposed_version;
   manifest.GetStringASCII("version", &proposed_version);
-  base::Version version(proposed_version.c_str());
+  Version version(proposed_version.c_str());
   if (!version.IsValid())
     return false;
 
   if (!CheckPepperFlashInterfaces(manifest))
     return false;
 
   // TODO(viettrungluu): See above TODO.
   if (name == "WinFlapper") {
     *version_out = version;
     return true;
   }
 
   std::string os;
   manifest.GetStringASCII("x-ppapi-os", &os);
   if (os != kPepperFlashOperatingSystem)
     return false;
 
   std::string arch;
   manifest.GetStringASCII("x-ppapi-arch", &arch);
   if (arch != kPepperFlashArch)
     return false;
 
   *version_out = version;
   return true;
 }
 
 }  // namespace chrome