Introduce background.scripts feature for extension manifests.

chrome/common/extensions/extension_constants.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/common/extensions/extension_constants.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_switches.h"
 
 namespace extension_manifest_keys {
 
 const char kAllFrames[] = "all_frames";
 const char kAltKey[] = "altKey";
 const char kApp[] = "app";
 const char kBackground[] = "background";
 const char kBackgroundPage[] = "background.page";
 const char kBackgroundPageLegacy[] = "background_page";
+const char kBackgroundScripts[] = "background.scripts";
 const char kBrowserAction[] = "browser_action";
 const char kChromeURLOverrides[] = "chrome_url_overrides";
 const char kContentScripts[] = "content_scripts";
 const char kContentSecurityPolicy[] = "content_security_policy";
 const char kConvertedFromUserScript[] = "converted_from_user_script";
 const char kCss[] = "css";
 const char kCtrlKey[] = "ctrlKey";
 const char kCurrentLocale[] = "current_locale";
 const char kDefaultLocale[] = "default_locale";
 const char kDescription[] = "description";
@@ skipping 129 matching lines @@
 const char kExpectString[] = "Expect string value.";
 const char kExperimentalFlagRequired[] =
     "Loading extensions with 'experimental' permission requires"
     " --enable-experimental-extension-apis command line flag.";
 const char kFeatureNotAllowed[] =
     "Feature '*' is not allowed in this type of manifest.";
 const char kInvalidAllFrames[] =
     "Invalid value for 'content_scripts[*].all_frames'.";
 const char kInvalidBackground[] =
     "Invalid value for 'background_page'.";
+const char kInvalidBackgroundCombination[] =
+    "The background.page and background.scripts properties cannot be used  at "
+    "the same time.";
+const char kInvalidBackgroundScript[] =
+    "Invalid value for 'background.scripts[*]'.";
+const char kInvalidBackgroundScripts[] =
+    "Invalid value for 'background.scripts'.";
 const char kInvalidBackgroundInHostedApp[] =
     "Invalid value for 'background_page'. Hosted apps must specify an "
     "absolute HTTPS URL for the background page.";
 const char kInvalidBrowserAction[] =
     "Invalid value for 'browser_action'.";
 const char kInvalidChromeURLOverrides[] =
     "Invalid value for 'chrome_url_overrides'.";
 const char kInvalidContentScript[] =
     "Invalid value for 'content_scripts[*]'.";
 const char kInvalidContentSecurityPolicy[] =
@@ skipping 299 matching lines @@
 
 namespace extension_filenames {
 const char kTempExtensionName[] = "CRX_INSTALL";
 
 // The file to write our decoded images to, relative to the extension_path.
 const char kDecodedImagesFilename[] = "DECODED_IMAGES";
 
 // The file to write our decoded message catalogs to, relative to the
 // extension_path.
 const char kDecodedMessageCatalogsFilename[] = "DECODED_MESSAGE_CATALOGS";
+
+const char kGeneratedBackgroundPageFilename[] =
+    "_generated_background_page.html";
 }
 
 namespace extension_misc {
 const char kBookmarkManagerId[] = "eemcgdkfndhakfknompkggombfjjjeno";
 const char kWebStoreAppId[] = "ahfgeienlihckogmohjhadlkjgocpleb";
 const char kCloudPrintAppId[] = "mfehgcgbbipciphmccgaenjidiccnmng";
 const char kAppsPromoHistogram[] = "Extensions.AppsPromo";
 const char kAppLaunchHistogram[] = "Extensions.AppLaunch";
 #if defined(OS_CHROMEOS)
 const char kAccessExtensionPath[] =
     "/usr/share/chromeos-assets/accessibility/extensions";
 const char kChromeVoxDirectoryName[] = "access_chromevox";
 #endif
 
 }