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

chrome/browser/history/history_browsertest.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 <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
@@ skipping 52 matching lines @@
     if (!history)
       return;
 
     BrowserThread::PostTask(
         BrowserThread::UI,
         FROM_HERE,
         base::Bind(&HistoryService::IterateURLs, history, this));
     content::RunMessageLoop();
   }
 
-  virtual void OnURL(const GURL& url) {
-    urls_.push_back(url);
+  virtual void OnURL(const history::URLRow& url_row) {
+    urls_.push_back(url_row.url());
   }
 
   virtual void OnComplete(bool success) {
     BrowserThread::PostTask(
         BrowserThread::UI,
         FROM_HERE,
         MessageLoop::QuitClosure());
   }
 
   std::vector<GURL>& urls() { return urls_; }
@@ skipping 222 matching lines @@
   // Mainly, this is to ensure we send a synchronous message to the renderer
   // so that we're not susceptible (less susceptible?) to a race condition.
   // Should a race condition ever trigger, it won't result in flakiness.
   int num = ui_test_utils::FindInPage(
       chrome::GetActiveTabContents(browser()), ASCIIToUTF16("<img"), true,
       true, NULL);
   EXPECT_GT(num, 0);
   EXPECT_EQ(ASCIIToUTF16("History"),
             chrome::GetActiveWebContents(browser())->GetTitle());
 }