Support datalist for date/time input types on Android

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index b21d9e047b9a4e914326cd43acb012f2db1e9439..f9f9b2fa58b91d7455b598cb7f780f006f16b5c1 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -113,7 +113,6 @@
 #include "content/renderer/render_view_impl_params.h"
 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
 #include "content/renderer/render_widget_fullscreen_pepper.h"
-#include "content/renderer/renderer_date_time_picker.h"
 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 #include "content/renderer/renderer_webcolorchooser_impl.h"
 #include "content/renderer/resizing_mode_selector.h"
@@ -6378,6 +6377,9 @@ void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
 bool RenderViewImpl::openDateTimeChooser(
     const blink::WebDateTimeChooserParams& params,
     blink::WebDateTimeChooserCompletion* completion) {
+  // JavaScript may try to open a date time chooser while one is already open.
+  if (date_time_picker_client_)
+    return false;
   date_time_picker_client_.reset(
       new RendererDateTimePicker(this, params, completion));
   return date_time_picker_client_->Open();