Make the textfield in app_list and find_bar not support suggestions.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 717d94837c80caa571760d69a1e743d4ee7e595f..6ca37f960c9cba3cbe5bbbeb6e7bc75e4b21bf71 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -268,6 +268,7 @@ Textfield::Textfield()
       selection_background_color_(SK_ColorBLUE),
       placeholder_text_color_(kDefaultPlaceholderTextColor),
       text_input_type_(ui::TEXT_INPUT_TYPE_TEXT),
+      text_input_flags_(0),
       performing_user_action_(false),
       skip_input_method_cancel_composition_(false),
       cursor_visible_(false),
@@ -308,6 +309,10 @@ void Textfield::SetTextInputType(ui::TextInputType type) {
   SchedulePaint();
 }
 
+void Textfield::SetTextInputFlags(int flags) {
+  text_input_flags_ = flags;
+}
+
 void Textfield::SetText(const base::string16& new_text) {
   model_->SetText(new_text);
   OnCaretBoundsChanged();
@@ -1467,7 +1472,7 @@ ui::TextInputMode Textfield::GetTextInputMode() const {
 }
 
 int Textfield::GetTextInputFlags() const {
-  return 0;
+  return text_input_flags_;
 }
 
 bool Textfield::CanComposeInline() const {