Make keyword hint view ("press tab to search foo.com") clickable.

chrome/browser/ui/views/location_bar/location_bar_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/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/i18n/rtl.h"
@@ skipping 195 matching lines @@
           ui::NativeTheme::kColorId_TextfieldSelectionColor));
   ime_inline_autocomplete_view_->SetVisible(false);
   AddChildView(ime_inline_autocomplete_view_);
 
   selected_keyword_view_ = new SelectedKeywordView(font_list, profile());
   AddChildView(selected_keyword_view_);
 
   gfx::FontList bubble_font_list =
       font_list.DeriveWithHeightUpperBound(bubble_height);
   keyword_hint_view_ = new KeywordHintView(
-      profile(), font_list, bubble_font_list, location_height,
+      this, profile(), font_list, bubble_font_list, location_height,
       GetColor(LocationBarView::DEEMPHASIZED_TEXT), background_color);
   AddChildView(keyword_hint_view_);
 
   std::vector<std::unique_ptr<ContentSettingImageModel>> models =
       ContentSettingImageModel::GenerateContentSettingImageModels();
   for (auto& model : models) {
     ContentSettingImageView* image_view =
         new ContentSettingImageView(std::move(model), this, font_list);
     content_setting_views_.push_back(image_view);
     image_view->SetVisible(false);
@@ skipping 475 matching lines @@
   zoom_view_->Update(zoom::ZoomController::FromWebContents(web_contents));
   if (!zoom_view_->visible())
     ZoomBubbleView::CloseCurrentBubble();
   return was_visible != zoom_view_->visible();
 }
 
 void LocationBarView::OnDefaultZoomLevelChanged() {
   RefreshZoomView();
 }
 
+void LocationBarView::ButtonPressed(views::Button* sender,
+                                    const ui::Event& event) {
+  DCHECK_EQ(keyword_hint_view_, sender);
+  DCHECK(event.IsMouseEvent() || event.IsGestureEvent());
+  omnibox_view_->model()->AcceptKeyword(
+      event.IsMouseEvent() ? KeywordModeEntryMethod::CLICK_ON_VIEW
+                           : KeywordModeEntryMethod::TAP_ON_VIEW);
+}
+
 bool LocationBarView::RefreshSaveCreditCardIconView() {
   WebContents* web_contents = GetWebContents();
   if (!web_contents)
     return false;
 
   const bool was_visible = save_credit_card_icon_view_->visible();
   // |controller| may be nullptr due to lazy initialization.
   autofill::SaveCardBubbleControllerImpl* controller =
       autofill::SaveCardBubbleControllerImpl::FromWebContents(web_contents);
   bool enabled = controller && controller->IsIconVisible();
@@ skipping 309 matching lines @@
 // LocationBarView, private TemplateURLServiceObserver implementation:
 
 void LocationBarView::OnTemplateURLServiceChanged() {
   template_url_service_->RemoveObserver(this);
   template_url_service_ = nullptr;
   // If the browser is no longer active, let's not show the info bubble, as this
   // would make the browser the active window again.
   if (omnibox_view_ && omnibox_view_->GetWidget()->IsActive())
     ShowFirstRunBubble();
 }