Revert 182318 - Broke linux build:...

Revert 182318 - Broke linux build: http://build.chromium.org/p/chromium.memory/builders/Linux%20ASAN%20Builder/builds/18695/steps/compile/logs/stdio
> ExtensionInstallDialog should create the accept button if it requested in prompt.GetDialogButtons().
> 
> BUG=175897
> TEST=NONE
> 
> Review URL: https://chromiumcodereview.appspot.com/12208144

TBR=ncj674@motorola.com
Review URL: https://codereview.chromium.org/12207163

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182322 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc

@@ -135,12 +135,10 @@ ExtensionInstallDialog::ExtensionInstallDialog(
       prompt.HasAbortButtonLabel() ?
           UTF16ToUTF8(prompt.GetAbortButtonLabel()).c_str() : GTK_STOCK_CANCEL,
       GTK_RESPONSE_CLOSE);
-  if (prompt.GetDialogButtons() & ui::DIALOG_BUTTON_OK) {
-    gtk_dialog_add_button(
-        GTK_DIALOG(dialog_),
-        UTF16ToUTF8(prompt.GetAcceptButtonLabel()).c_str(),
-        GTK_RESPONSE_ACCEPT);
-  }
+  gtk_dialog_add_button(
+      GTK_DIALOG(dialog_),
+      UTF16ToUTF8(prompt.GetAcceptButtonLabel()).c_str(),
+      GTK_RESPONSE_ACCEPT);
 #if !GTK_CHECK_VERSION(2, 22, 0)
   gtk_dialog_set_has_separator(GTK_DIALOG(dialog_), FALSE);
 #endif