Improve messaging for shared modules on chrome://extensions

extensions/common/extension.cc

Index: extensions/common/extension.cc
diff --git a/extensions/common/extension.cc b/extensions/common/extension.cc
index f19ef51f862944af5e7576eeec53cd8c57c0b487..89d50f0e098e248c56fbd382acb83b41f45f72b4 100644
--- a/extensions/common/extension.cc
+++ b/extensions/common/extension.cc
@@ -411,11 +411,11 @@ void Extension::AddInstallWarnings(
 }
 
 bool Extension::is_app() const {
-  return manifest_->is_app();
+  return manifest()->is_app();
 }
 
 bool Extension::is_platform_app() const {
-  return manifest_->is_platform_app();
+  return manifest()->is_platform_app();
 }
 
 bool Extension::is_hosted_app() const {
@@ -430,6 +430,14 @@ bool Extension::is_extension() const {
   return manifest()->is_extension();
 }
 
+bool Extension::is_shared_module() const {
+  return manifest()->is_shared_module();
+}
+
+bool Extension::is_theme() const {
+  return manifest()->is_theme();
+}
+
 bool Extension::can_be_incognito_enabled() const {
   // Only component platform apps are supported in incognito.
   return !is_platform_app() || location() == Manifest::COMPONENT;
@@ -443,10 +451,6 @@ void Extension::AddWebExtentPattern(const URLPattern& pattern) {
   extent_.AddPattern(pattern);
 }
 
-bool Extension::is_theme() const {
-  return manifest()->is_theme();
-}
-
 // static
 bool Extension::InitExtensionID(extensions::Manifest* manifest,
                                 const base::FilePath& path,