Removes TabFinder. We're not going to use it.

chrome/browser/ui/tabs/tab_finder.h

Index: chrome/browser/ui/tabs/tab_finder.h
diff --git a/chrome/browser/ui/tabs/tab_finder.h b/chrome/browser/ui/tabs/tab_finder.h
deleted file mode 100644
index 8e559c39c7364bb9fc1643a2894fde868f376991..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/tabs/tab_finder.h
+++ /dev/null
@@ -1,110 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_UI_TABS_TAB_FINDER_H_
-#define CHROME_BROWSER_UI_TABS_TAB_FINDER_H_
-#pragma once
-
-#include <map>
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/memory/singleton.h"
-#include "chrome/browser/cancelable_request.h"
-#include "chrome/browser/history/history_types.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class Browser;
-class GURL;
-
-namespace content {
-class WebContents;
-struct FrameNavigateParams;
-struct LoadCommittedDetails;
-}
-
-// TabFinder is used to locate a tab by URL. TabFinder matches tabs based
-// on the tabs current url, or the start of the redirect chain.
-//
-// TODO: if we end up keeping this (moving it out of about:flags) then we
-// should persist the start of the redirect chain in the navigation entry.
-class TabFinder : public content::NotificationObserver {
- public:
-  // Returns the TabFinder, or NULL if TabFinder is not enabled.
-  static TabFinder* GetInstance();
-
-  // Returns true if TabFinder is enabled.
-  static bool IsEnabled();
-
-  // Returns the tab that matches the specified url. If a tab is found the
-  // browser containing the tab is set in |existing_browser|. This searches
-  // in |browser| first before checking any other browsers.
-  content::WebContents* FindTab(Browser* browser,
-                                const GURL& url,
-                                Browser** existing_browser);
-
-  // content::NotificationObserver overrides:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- private:
-  friend struct DefaultSingletonTraits<TabFinder>;
-
-  class WebContentsObserverImpl;
-
-  typedef std::map<content::WebContents*, GURL> WebContentsToURLMap;
-  typedef std::set<WebContentsObserverImpl*> WebContentsObservers;
-
-  TabFinder();
-  virtual ~TabFinder();
-
-  // Forwarded from WebContentsObserverImpl.
-  void DidNavigateAnyFrame(
-      content::WebContents* source,
-      const content::LoadCommittedDetails& details,
-      const content::FrameNavigateParams& params);
-
-  // Returns true if the tab's current url is |url|, or the start of the
-  // redirect chain for the tab is |url|.
-  bool TabMatchesURL(content::WebContents* web_contents, const GURL& url);
-
-  // Returns the first tab in the specified browser that matches the specified
-  // url.  Returns NULL if there are no tabs matching the specified url.
-  content::WebContents* FindTabInBrowser(Browser* browser, const GURL& url);
-
-  // If we're not currently tracking |tab| this creates a
-  // WebContentsObserverImpl to listen for navigations.
-  void TrackTab(content::WebContents* tab);
-
-  // Invoked when a WebContents is being destroyed.
-  void TabDestroyed(WebContentsObserverImpl* observer);
-
-  // Cancels any pending requests for the specified tabs redirect chain.
-  void CancelRequestsFor(content::WebContents* web_contents);
-
-  // Starts the fetch for the redirect chain of the specified WebContents.
-  // QueryRedirectsToComplete is invoked when the redirect chain is retrieved.
-  void FetchRedirectStart(content::WebContents* tab);
-
-  // Callback when we get the redirect list for a tab.
-  void QueryRedirectsToComplete(CancelableRequestProvider::Handle handle,
-                                GURL url,
-                                bool success,
-                                history::RedirectList* redirects);
-
-  // Maps from WebContents to the start of the redirect chain.
-  WebContentsToURLMap web_contents_to_url_;
-
-  CancelableRequestConsumerTSimple<content::WebContents*> callback_consumer_;
-
-  content::NotificationRegistrar registrar_;
-
-  WebContentsObservers tab_contents_observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(TabFinder);
-};
-
-#endif  // CHROME_BROWSER_UI_TABS_TAB_FINDER_H_