Move EmptyString, kWhitespace and the BOM to base.

extensions/common/manifest_handlers/csp_info.cc

 // 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.
 
 #include "extensions/common/manifest_handlers/csp_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 40 matching lines @@
 }
 
 CSPInfo::~CSPInfo() {
 }
 
 // static
 const std::string& CSPInfo::GetContentSecurityPolicy(
     const Extension* extension) {
   CSPInfo* csp_info = static_cast<CSPInfo*>(
           extension->GetManifestData(keys::kContentSecurityPolicy));
-  return csp_info ? csp_info->content_security_policy : EmptyString();
+  return csp_info ? csp_info->content_security_policy : base::EmptyString();
 }
 
 // static
 const std::string& CSPInfo::GetResourceContentSecurityPolicy(
     const Extension* extension,
     const std::string& relative_path) {
   return SandboxedPageInfo::IsSandboxedPage(extension, relative_path) ?
       SandboxedPageInfo::GetContentSecurityPolicy(extension) :
       GetContentSecurityPolicy(extension);
 }
@@ skipping 52 matching lines @@
         type == Manifest::TYPE_LEGACY_PACKAGED_APP;
 }
 
 const std::vector<std::string> CSPHandler::Keys() const {
   const std::string& key = is_platform_app_ ?
       keys::kPlatformAppContentSecurityPolicy : keys::kContentSecurityPolicy;
   return SingleKey(key);
 }
 
 }  // namespace extensions