Do not show the install prompt for themes.

chrome/browser/extensions/extension_install_dialog.cc

Index: chrome/browser/extensions/extension_install_dialog.cc
diff --git a/chrome/browser/extensions/extension_install_dialog.cc b/chrome/browser/extensions/extension_install_dialog.cc
index c1412d39927952f0b314fdfb9cc47d16e592b3f3..913cd7510c34d6761ce4d267603e7f3441dd10db 100644
--- a/chrome/browser/extensions/extension_install_dialog.cc
+++ b/chrome/browser/extensions/extension_install_dialog.cc
@@ -53,6 +53,8 @@ AutoConfirmForTest CheckAutoConfirmCommandLineSwitch() {
     return PROCEED;
   else if (value == "cancel")
     return ABORT;
+  else if (value == "default")
+    return DO_NOT_SKIP;
   else
     NOTREACHED();
   return DO_NOT_SKIP;
@@ -70,60 +72,3 @@ void ShowExtensionInstallDialog(Profile* profile,
   }
   ShowExtensionInstallDialogImpl(profile, delegate, prompt);
 }
-
-bool ShowExtensionInstallDialogForManifest(
-    Profile* profile,
-    ExtensionInstallUI::Delegate* delegate,
-    const DictionaryValue* manifest,
-    const std::string& id,
-    const std::string& localized_name,
-    const std::string& localized_description,
-    SkBitmap* icon,
-    const ExtensionInstallUI::Prompt& prompt,
-    scoped_refptr<Extension>* dummy_extension) {
-  scoped_ptr<DictionaryValue> localized_manifest;
-  if (!localized_name.empty() || !localized_description.empty()) {
-    localized_manifest.reset(manifest->DeepCopy());
-    if (!localized_name.empty()) {
-      localized_manifest->SetString(extension_manifest_keys::kName,
-                                    localized_name);
-    }
-    if (!localized_description.empty()) {
-      localized_manifest->SetString(extension_manifest_keys::kDescription,
-                                    localized_description);
-    }
-  }
-
-  std::string init_errors;
-  *dummy_extension = Extension::Create(
-      FilePath(),
-      Extension::INTERNAL,
-      localized_manifest.get() ? *localized_manifest.get() : *manifest,
-      Extension::NO_FLAGS,
-      id,
-      &init_errors);
-  if (!dummy_extension->get()) {
-    return false;
-  }
-
-  if (icon->empty())
-    icon = const_cast<SkBitmap*>(&Extension::GetDefaultIcon(
-        (*dummy_extension)->is_app()));
-
-  // In tests, we may have setup to proceed or abort without putting up the real
-  // confirmation dialog.
-  AutoConfirmForTest auto_confirm = CheckAutoConfirmCommandLineSwitch();
-  if (auto_confirm != DO_NOT_SKIP) {
-    DoAutoConfirm(auto_confirm, delegate);
-    return true;
-  }
-
-  ExtensionInstallUI::Prompt filled_out_prompt = prompt;
-  filled_out_prompt.SetPermissions(
-      (*dummy_extension)->GetPermissionMessageStrings());
-  filled_out_prompt.set_extension(*dummy_extension);
-  filled_out_prompt.set_icon(gfx::Image(new SkBitmap(*icon)));
-
-  ShowExtensionInstallDialog(profile, delegate, filled_out_prompt);
-  return true;
-}