Move CancelableTaskTracker to //base/task/CancelableTaskTracker.

chrome/browser/history/android/sqlite_cursor.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/history/android/sqlite_cursor.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
@@ skipping 187 matching lines @@
   }
 
   return false;
 }
 
 void SQLiteCursor::GetFaviconForIDInUIThread(
     chrome::FaviconID id,
     const FaviconService::FaviconRawCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!tracker_.get())
-    tracker_.reset(new CancelableTaskTracker());
+    tracker_.reset(new base::CancelableTaskTracker());
   favicon_service_->GetLargestRawFaviconForID(id, callback, tracker_.get());
 }
 
 
 void SQLiteCursor::OnFaviconData(
     const chrome::FaviconBitmapResult& bitmap_result) {
   favicon_bitmap_result_ = bitmap_result;
   event_.Signal();
   if (test_observer_)
     test_observer_->OnGetFaviconResult();
@@ skipping 16 matching lines @@
 }
 
 void SQLiteCursor::RunMoveStatementOnUIThread(int pos) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!consumer_.get())
     consumer_.reset(new CancelableRequestConsumer());
   service_->MoveStatement(
       statement_, position_, pos, consumer_.get(),
       base::Bind(&SQLiteCursor::OnMoved, base::Unretained(this)));
 }