Hide IME autocompletion when Omnibox popup closes.

chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.cc

 // Copyright 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 "chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include <algorithm>
@@ skipping 564 matching lines @@
     return false;
 
   StartUpdatingHighlightedText();
   CharRange range(display_text.size(), user_text_length);
   SetTextAndSelectedRange(display_text, range);
   FinishUpdatingHighlightedText();
   TextChanged();
   return true;
 }
 
+void OmniboxViewGtk::OnInlineAutocompleteTextCleared() {
+}
+
 void OmniboxViewGtk::OnRevertTemporaryText() {
   StartUpdatingHighlightedText();
   SetSelectedRange(saved_temporary_selection_);
   FinishUpdatingHighlightedText();
   // We got here because the user hit the Escape key. We explicitly don't call
   // TextChanged(), since OmniboxPopupModel::ResetToDefaultMatch() has already
   // been called by now, and it would've called TextChanged() if it was
   // warranted.
 }
 
@@ skipping 1524 matching lines @@
 void OmniboxViewGtk::AdjustVerticalAlignmentOfGrayTextView() {
   // By default, GtkTextView layouts an anchored child widget just above the
   // baseline, so we need to move the |gray_text_view_| down to make sure it
   // has the same baseline as the |text_view_|.
   PangoLayout* layout = gtk_label_get_layout(GTK_LABEL(gray_text_view_));
   int height;
   pango_layout_get_size(layout, NULL, &height);
   int baseline = pango_layout_get_baseline(layout);
   g_object_set(gray_text_anchor_tag_, "rise", baseline - height, NULL);
 }