Revert 151419 - Replace HistoryQuickProvider protobuf-based caching with an SQLite-based database.

chrome/browser/visitedlink/visitedlink_master.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/visitedlink/visitedlink_master.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <io.h>
 #include <shlobj.h>
@@ skipping 129 matching lines @@
   TableBuilder(VisitedLinkMaster* master,
                const uint8 salt[LINK_SALT_LENGTH]);
 
   // Called on the main thread when the master is being destroyed. This will
   // prevent a crash when the query completes and the master is no longer
   // around. We can not actually do anything but mark this fact, since the
   // table will be being rebuilt simultaneously on the other thread.
   void DisownMaster();
 
   // HistoryService::URLEnumerator
-  virtual void OnURL(const history::URLRow& url_row);
+  virtual void OnURL(const GURL& url);
   virtual void OnComplete(bool succeed);
 
  private:
   friend class base::RefCountedThreadSafe<TableBuilder>;
 
   ~TableBuilder() {}
 
   // OnComplete mashals to this function on the main thread to do the
   // notification.
   void OnCompleteMainThread();
@@ skipping 785 matching lines @@
   fingerprints_.reserve(4096);
   memcpy(salt_, salt, LINK_SALT_LENGTH * sizeof(uint8));
 }
 
 // TODO(brettw): Do we want to try to cancel the request if this happens? It
 // could delay shutdown if there are a lot of URLs.
 void VisitedLinkMaster::TableBuilder::DisownMaster() {
   master_ = NULL;
 }
 
-void VisitedLinkMaster::TableBuilder::OnURL(const history::URLRow& url_row) {
-  const GURL& url((url_row.url()));
+void VisitedLinkMaster::TableBuilder::OnURL(const GURL& url) {
   if (!url.is_empty()) {
     fingerprints_.push_back(VisitedLinkMaster::ComputeURLFingerprint(
         url.spec().data(), url.spec().length(), salt_));
   }
 }
 
 void VisitedLinkMaster::TableBuilder::OnComplete(bool success) {
   success_ = success;
   DLOG_IF(WARNING, !success) << "Unable to rebuild visited links";
 
   // Marshal to the main thread to notify the VisitedLinkMaster that the
   // rebuild is complete.
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&TableBuilder::OnCompleteMainThread, this));
 }
 
 void VisitedLinkMaster::TableBuilder::OnCompleteMainThread() {
   if (master_)
     master_->OnTableRebuildComplete(success_, fingerprints_);
 
   // WILL (generally) DELETE THIS! This balances the AddRef in
   // VisitedLinkMaster::RebuildTableFromHistory.
   Release();
 }