Auto-install/uninstall shared module dependencies for extensions.

chrome/browser/extensions/crx_installer.cc

Index: chrome/browser/extensions/crx_installer.cc
diff --git a/chrome/browser/extensions/crx_installer.cc b/chrome/browser/extensions/crx_installer.cc
index 892950655800c6db7da5fa619b1f8cbaf620b182..cad1c6dd7c951e39e971479768294b2a1283e9de 100644
--- a/chrome/browser/extensions/crx_installer.cc
+++ b/chrome/browser/extensions/crx_installer.cc
@@ -411,17 +411,8 @@ void CrxInstaller::CheckImportsAndRequirements() {
       Version version_required(i->minimum_version);
       const Extension* imported_module =
           service->GetExtensionById(i->extension_id, true);
-      if (!imported_module ||
-          (version_required.IsValid() &&
-           imported_module->version()->CompareTo(version_required) < 0)) {
-        ReportFailureFromUIThread(
-            CrxInstallerError(l10n_util::GetStringFUTF16(
-                IDS_EXTENSION_INSTALL_DEPENDENCY_NOT_FOUND,
-                ASCIIToUTF16(i->extension_id),
-                ASCIIToUTF16(i->minimum_version))));
-        return;
-      }
-      if (!SharedModuleInfo::IsSharedModule(imported_module)) {
+      if (imported_module &&
+          !SharedModuleInfo::IsSharedModule(imported_module)) {
         ReportFailureFromUIThread(
             CrxInstallerError(l10n_util::GetStringFUTF16(
                 IDS_EXTENSION_INSTALL_DEPENDENCY_NOT_SHARED_MODULE,