events: Change gesture-event handler in EventHandler to not return any values.

chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.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 "chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.h"
 
 #include "chrome/browser/ui/omnibox/omnibox_view.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_popup_non_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_result_view.h"
@@ skipping 340 matching lines @@
 void OmniboxPopupContentsView::OnMouseEntered(
     const ui::MouseEvent& event) {
   model_->SetHoveredLine(GetIndexForPoint(event.location()));
 }
 
 void OmniboxPopupContentsView::OnMouseExited(
     const ui::MouseEvent& event) {
   model_->SetHoveredLine(OmniboxPopupModel::kNoMatch);
 }
 
-ui::EventResult OmniboxPopupContentsView::OnGestureEvent(
-    ui::GestureEvent* event) {
+void OmniboxPopupContentsView::OnGestureEvent(ui::GestureEvent* event) {
   switch (event->type()) {
     case ui::ET_GESTURE_TAP_DOWN:
     case ui::ET_GESTURE_SCROLL_BEGIN:
     case ui::ET_GESTURE_SCROLL_UPDATE:
       UpdateLineEvent(*event, true);
       break;
     case ui::ET_GESTURE_TAP:
     case ui::ET_GESTURE_SCROLL_END:
       OpenSelectedLine(*event, CURRENT_TAB);
       break;
     default:
-      return ui::ER_UNHANDLED;
+      return;
   }
-  return ui::ER_CONSUMED;
+  event->SetHandled();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // OmniboxPopupContentsView, protected:
 
 void OmniboxPopupContentsView::PaintResultViews(gfx::Canvas* canvas) {
   canvas->DrawColor(result_view_at(0)->GetColor(
       OmniboxResultView::NORMAL, OmniboxResultView::BACKGROUND));
   View::PaintChildren(canvas);
 }
@@ skipping 164 matching lines @@
 void OmniboxPopupContentsView::OpenSelectedLine(
     const ui::LocatedEvent& event,
     WindowOpenDisposition disposition) {
   size_t index = GetIndexForPoint(event.location());
   OpenIndex(index, disposition);
 }
 
 OmniboxResultView* OmniboxPopupContentsView::result_view_at(size_t i) {
   return static_cast<OmniboxResultView*>(child_at(static_cast<int>(i)));
 }