Adds support for showing the match preview on views. It's behind the

chrome/browser/browser.cc

 // Copyright (c) 2010 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/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 52 matching lines @@
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/site_instance.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/status_bubble.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/sync_ui_util.h"
 #include "chrome/browser/tab_closeable_state_watcher.h"
 #include "chrome/browser/tab_contents/interstitial_page.h"
+#include "chrome/browser/tab_contents/match_preview.h"
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #include "chrome/browser/tab_menu_model.h"
 #include "chrome/browser/upgrade_detector.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/browser/window_sizer.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 2855 matching lines @@
 
 Browser* Browser::GetBrowser() {
   return this;
 }
 
 void Browser::ContentTypeChanged(TabContents* source) {
   if (source == GetSelectedTabContents())
     UpdateZoomCommandsForTabState();
 }
 
+void Browser::CommitMatchPreview(TabContents* source) {
+  int index = tabstrip_model_.GetIndexOfTabContents(source);
+  DCHECK_NE(-1, index);
+  TabContents* preview_contents =
+      source->match_preview()->ReleasePreviewContents();
+  // TabStripModel takes ownership of preview_contents.
+  tabstrip_model_.ReplaceTabContentsAt(
+      index, preview_contents, TabStripModelObserver::REPLACE_MATCH_PREVIEW);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, SelectFileDialog::Listener implementation:
 
 void Browser::FileSelected(const FilePath& path, int index, void* params) {
   profile_->set_last_selected_directory(path.DirName());
   GURL file_url = net::FilePathToFileURL(path);
   if (!file_url.is_empty())
     OpenURL(file_url, GURL(), CURRENT_TAB, PageTransition::TYPED);
 }
 
@@ skipping 1122 matching lines @@
 }
 
 bool Browser::IsPinned(TabContents* source) {
   int index = tabstrip_model_.GetIndexOfTabContents(source);
   if (index == TabStripModel::kNoTab) {
     NOTREACHED() << "IsPinned called for tab not in our strip";
     return false;
   }
   return tabstrip_model_.IsTabPinned(index);
 }