Send an onInstalled event for shared module update

chrome/browser/extensions/extension_system_impl.cc

Index: chrome/browser/extensions/extension_system_impl.cc
diff --git a/chrome/browser/extensions/extension_system_impl.cc b/chrome/browser/extensions/extension_system_impl.cc
index 77e1705afdada584a441b23d63732119cf12c1a1..a9d5dbb42a3a1442756878c669da32fbc7f6f06c 100644
--- a/chrome/browser/extensions/extension_system_impl.cc
+++ b/chrome/browser/extensions/extension_system_impl.cc
@@ -23,6 +23,7 @@
 #include "chrome/browser/extensions/extension_warning_set.h"
 #include "chrome/browser/extensions/install_verifier.h"
 #include "chrome/browser/extensions/navigation_observer.h"
+#include "chrome/browser/extensions/shared_module_service.h"
 #include "chrome/browser/extensions/standard_management_policy_provider.h"
 #include "chrome/browser/extensions/state_store.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
@@ -495,6 +496,12 @@ ContentVerifier* ExtensionSystemImpl::content_verifier() {
   return shared_->content_verifier();
 }
 
+scoped_ptr<ExtensionSet> ExtensionSystemImpl::GetDependentExtensions(
+    const Extension* extension) {
+  return extension_service()->shared_module_service()->GetDependentExtensions(
+      extension);
+}
+
 void ExtensionSystemImpl::RegisterExtensionWithRequestContexts(
     const Extension* extension) {
   base::Time install_time;