Add new user script injection point: document_idle.

chrome/common/extensions/extension.cc

 // Copyright (c) 2009 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/common/extensions/extension.h"
 
 #include "app/resource_bundle.h"
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 178 matching lines @@
     if (!content_script->GetString(keys::kRunAt, &run_location)) {
       *error = ExtensionErrorUtils::FormatErrorMessage(errors::kInvalidRunAt,
           IntToString(definition_index));
       return false;
     }
 
     if (run_location == values::kRunAtDocumentStart) {
       result->set_run_location(UserScript::DOCUMENT_START);
     } else if (run_location == values::kRunAtDocumentEnd) {
       result->set_run_location(UserScript::DOCUMENT_END);
+    } else if (run_location == values::kRunAtDocumentIdle) {
+      result->set_run_location(UserScript::DOCUMENT_IDLE);
     } else {
       *error = ExtensionErrorUtils::FormatErrorMessage(errors::kInvalidRunAt,
           IntToString(definition_index));
       return false;
     }
   }
 
   // matches
   ListValue* matches = NULL;
   if (!content_script->GetList(keys::kMatches, &matches)) {
@@ skipping 969 matching lines @@
     UserScript::PatternList::const_iterator pattern =
         content_script->url_patterns().begin();
     for (; pattern != content_script->url_patterns().end(); ++pattern) {
       if (pattern->match_subdomains() && pattern->host().empty())
         return true;
     }
   }
 
   return false;
 }