Use WebCore:DateTimeChooser for date/time form types instead of considering them text fields.

content/browser/renderer_host/ime_adapter_android.cc

Index: content/browser/renderer_host/ime_adapter_android.cc
diff --git a/content/browser/renderer_host/ime_adapter_android.cc b/content/browser/renderer_host/ime_adapter_android.cc
index 3cae5ec00d87c0eb10b9687cdb3cc3003c7affe4..d2459609eba772b97c82fa23a65ff0408985e201 100644
--- a/content/browser/renderer_host/ime_adapter_android.cc
+++ b/content/browser/renderer_host/ime_adapter_android.cc
@@ -63,6 +63,11 @@ bool RegisterImeAdapter(JNIEnv* env) {
                                            WebKit::WebInputEvent::ControlKey,
                                            WebKit::WebInputEvent::CapsLockOn,
                                            WebKit::WebInputEvent::NumLockOn);
+  // TODO(miguelg) note that WebKit is removing the date time related
+  // elements from the enum since they are no longer part of the text input
+  // possibilities. As the entry point is now different we can actually
+  // tell the IME adapter if it's a dialog type or not without having to
+  // reply on the enum values for that.
   Java_ImeAdapter_initializeTextInputTypes(
       env,
       ui::TEXT_INPUT_TYPE_NONE,