Parse manifest file with app.service_worker.script.

extensions/common/manifest_constants.h

Index: extensions/common/manifest_constants.h
diff --git a/extensions/common/manifest_constants.h b/extensions/common/manifest_constants.h
index a9c39fed2a6e170df08c54d7059c2b010992ab98..6e5dc711519f02abd40706342ca2f7a20f2f9af1 100644
--- a/extensions/common/manifest_constants.h
+++ b/extensions/common/manifest_constants.h
@@ -115,6 +115,8 @@ extern const char kPlatformAppBackground[];
 extern const char kPlatformAppBackgroundPage[];
 extern const char kPlatformAppBackgroundScripts[];
 extern const char kPlatformAppContentSecurityPolicy[];
+extern const char kPlatformAppServiceWorker[];
+extern const char kPlatformAppServiceWorkerScript[];
 extern const char kPlugins[];
 extern const char kPluginsPath[];
 extern const char kPluginsPublic[];
@@ -392,6 +394,7 @@ extern const char kInvalidSandboxedPage[];
 extern const char kInvalidSandboxedPagesCSP[];
 extern const char kInvalidScriptBadge[];
 extern const char kInvalidSearchEngineURL[];
+extern const char kInvalidServiceWorkerScript[];
 extern const char kInvalidEmptySettingsOverrides[];
 extern const char kInvalidShortName[];
 extern const char kInvalidSignature[];
@@ -460,6 +463,7 @@ extern const char kUnrecognizedManifestProperty[];
 extern const char kScriptBadgeRequiresFlag[];
 extern const char kScriptBadgeIconIgnored[];
 extern const char kScriptBadgeTitleIgnored[];
+extern const char kServiceWorkerRequiresFlag[];
 extern const char kWebRequestConflictsWithLazyBackground[];
 #if defined(OS_CHROMEOS)
 extern const char kIllegalPlugins[];