Auto-install/uninstall shared module dependencies for extensions.

chrome/browser/extensions/pending_extension_manager.cc

Index: chrome/browser/extensions/pending_extension_manager.cc
diff --git a/chrome/browser/extensions/pending_extension_manager.cc b/chrome/browser/extensions/pending_extension_manager.cc
index 15aac529980bd3821a23ecf73b234b5b28bbd618..fcf166085d07d08ddf4e365fc8bdb3a43df161b7 100644
--- a/chrome/browser/extensions/pending_extension_manager.cc
+++ b/chrome/browser/extensions/pending_extension_manager.cc
@@ -119,6 +119,26 @@ bool PendingExtensionManager::AddFromSync(
                           kIsFromSync, install_silently, kSyncLocation);
 }
 
+bool PendingExtensionManager::AddFromExtensionImport(
+    const std::string& id,
+    const GURL& update_url,
+    PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install) {
+  CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  if (service_.GetInstalledExtension(id)) {
+    LOG(ERROR) << "Trying to add pending extension " << id
+               << " which already exists";
+    return false;
+  }
+
+  const bool kIsFromSync = false;
+  const bool kInstallSilently = true;
+  const Manifest::Location kManifestLocation = Manifest::INTERNAL;
+
+  return AddExtensionImpl(id, update_url, Version(), should_allow_install,
+                          kIsFromSync, kInstallSilently, kManifestLocation);
+}
+
 bool PendingExtensionManager::AddFromExternalUpdateUrl(
     const std::string& id,
     const GURL& update_url,