Implement the Extension History API, v 0.1....

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/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/stl_util-inl.h"
 #include "base/third_party/nss/blapi.h"
 #include "base/third_party/nss/sha256.h"
 #include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_error_reporter.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/extensions/user_script.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/url_constants.h"
 #include "net/base/base64.h"
 
 #if defined(OS_WIN)
@@ skipping 25 matching lines @@
     (*id)[i] = HexStringToInt(id->substr(i, 1)) + 'a';
 }
 
 // Returns true if the given string is an API permission (see kPermissionNames).
 static bool IsAPIPermission(const std::string& str) {
   for (size_t i = 0; i < Extension::kNumPermissions; ++i) {
     if (str == Extension::kPermissionNames[i])
       return true;
   }
 
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableExperimentalExtensionApis) &&
+      str == Extension::kExperimentalName)
+    return true;
+
   return false;
 }
 
 }  // namespace
 
 const char Extension::kManifestFilename[] = "manifest.json";
 const char Extension::kLocaleFolder[] = "_locales";
 const char Extension::kMessagesFilename[] = "messages.json";
 
 // A list of all the keys allowed by themes.
@@ skipping 30 matching lines @@
 const char* Extension::kTabPermission = "tabs";
 const char* Extension::kBookmarkPermission = "bookmarks";
 
 const char* Extension::kPermissionNames[] = {
   Extension::kTabPermission,
   Extension::kBookmarkPermission,
 };
 const size_t Extension::kNumPermissions =
     arraysize(Extension::kPermissionNames);
 
+const char* Extension::kExperimentalName = "experimental";
+
 Extension::~Extension() {
 }
 
 const std::string Extension::VersionString() const {
   return version_->GetString();
 }
 
 // static
 bool Extension::IsExtension(const FilePath& file_name) {
   return file_name.MatchesExtension(
@@ skipping 1059 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;
 }