Make the textfield in app_list and find_bar not support suggestions.

ui/views/controls/textfield/textfield.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/controls/textfield/textfield.h"
 
 #include <string>
 
 #include "base/trace_event/trace_event.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 250 matching lines @@
       use_default_text_color_(true),
       use_default_background_color_(true),
       use_default_selection_text_color_(true),
       use_default_selection_background_color_(true),
       text_color_(SK_ColorBLACK),
       background_color_(SK_ColorWHITE),
       selection_text_color_(SK_ColorWHITE),
       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),
       drop_cursor_visible_(false),
       initiating_drag_(false),
       aggregated_clicks_(0),
       drag_start_display_offset_(0),
       touch_handles_hidden_due_to_scroll_(false),
       weak_ptr_factory_(this) {
   set_context_menu_controller(this);
@@ skipping 20 matching lines @@
 
 void Textfield::SetTextInputType(ui::TextInputType type) {
   GetRenderText()->SetObscured(type == ui::TEXT_INPUT_TYPE_PASSWORD);
   text_input_type_ = type;
   OnCaretBoundsChanged();
   if (GetInputMethod())
     GetInputMethod()->OnTextInputTypeChanged(this);
   SchedulePaint();
 }
 
+void Textfield::SetTextInputFlags(int flags) {
+  text_input_flags_ = flags;
+}
+
 void Textfield::SetText(const base::string16& new_text) {
   model_->SetText(new_text);
   OnCaretBoundsChanged();
   SchedulePaint();
   NotifyAccessibilityEvent(ui::AX_EVENT_TEXT_CHANGED, true);
 }
 
 void Textfield::AppendText(const base::string16& new_text) {
   if (new_text.empty())
     return;
@@ skipping 1139 matching lines @@
   if (read_only() || !enabled())
     return ui::TEXT_INPUT_TYPE_NONE;
   return text_input_type_;
 }
 
 ui::TextInputMode Textfield::GetTextInputMode() const {
   return ui::TEXT_INPUT_MODE_DEFAULT;
 }
 
 int Textfield::GetTextInputFlags() const {
-  return 0;
+  return text_input_flags_;
 }
 
 bool Textfield::CanComposeInline() const {
   return true;
 }
 
 gfx::Rect Textfield::GetCaretBounds() const {
   gfx::Rect rect = GetRenderText()->GetUpdatedCursorBounds();
   ConvertRectToScreen(this, &rect);
   return rect;
@@ skipping 399 matching lines @@
     RequestFocus();
   model_->MoveCursorTo(mouse);
   if (!selection_clipboard_text.empty()) {
     model_->InsertText(selection_clipboard_text);
     UpdateAfterChange(true, true);
   }
   OnAfterUserAction();
 }
 
 }  // namespace views