Move UserScript and related into extensions namespace

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 56 matching lines @@
       content::Source<RenderViewHost>(rvh),
       content::NotificationService::NoDetails());
 }
 
 }  // end namespace
 
 ChromeResourceDispatcherHostDelegate::ChromeResourceDispatcherHostDelegate(
     prerender::PrerenderTracker* prerender_tracker)
     : download_request_limiter_(g_browser_process->download_request_limiter()),
       safe_browsing_(g_browser_process->safe_browsing_service()),
-      user_script_listener_(new UserScriptListener()),
+      user_script_listener_(new extensions::UserScriptListener()),
       prerender_tracker_(prerender_tracker),
       variation_ids_cache_initialized_(false) {
 }
 
 ChromeResourceDispatcherHostDelegate::~ChromeResourceDispatcherHostDelegate() {
 }
 
 bool ChromeResourceDispatcherHostDelegate::ShouldBeginRequest(
     int child_id,
     int route_id,
@@ skipping 226 matching lines @@
   if (!variation_ids_header_.empty()) {
     request->SetExtraRequestHeaderByName("X-Chrome-Variations",
         variation_ids_header_,
         false);
   }
 }
 
 bool ChromeResourceDispatcherHostDelegate::ShouldForceDownloadResource(
     const GURL& url, const std::string& mime_type) {
   // Special-case user scripts to get downloaded instead of viewed.
-  return UserScript::IsURLUserScript(url, mime_type);
+  return extensions::UserScript::IsURLUserScript(url, mime_type);
 }
 
 void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
     net::URLRequest* request,
     content::ResourceContext* resource_context,
     content::ResourceResponse* response,
     IPC::Sender* sender) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
@@ skipping 98 matching lines @@
   if (base::Base64Encode(serialized, &hashed)) {
     // If successful, swap the header value with the new one.
     // Note that the list of IDs and the header could be temporarily out of sync
     // if IDs are added as we are recreating the header, but we're OK with those
     // descrepancies.
     variation_ids_header_ = hashed;
   } else {
     DVLOG(1) << "Failed to base64 encode Variation IDs value: " << serialized;
   }
 }