Windows: Fix a corner case where we still think Adobe Reader is up to date after it has been uninst…

chrome/browser/download/download_target_determiner.cc

 // Copyright 2013 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/download/download_target_determiner.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/rand_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
@@ skipping 501 matching lines @@
 
 DownloadTargetDeterminer::Result
     DownloadTargetDeterminer::DoDetermineIfAdobeReaderUpToDate() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   next_state_ = STATE_CHECK_DOWNLOAD_URL;
 
 #if defined(OS_WIN)
   if (!local_path_.MatchesExtension(FILE_PATH_LITERAL(".pdf")))
     return CONTINUE;
-  if (!IsAdobeReaderDefaultPDFViewer())
+  if (!IsAdobeReaderDefaultPDFViewer()) {
+    g_is_adobe_reader_up_to_date_ = false;
     return CONTINUE;
+  }
 
   base::PostTaskAndReplyWithResult(
       BrowserThread::GetBlockingPool(),
       FROM_HERE,
       base::Bind(&::IsAdobeReaderUpToDate),
       base::Bind(&DownloadTargetDeterminer::DetermineIfAdobeReaderUpToDateDone,
                  weak_ptr_factory_.GetWeakPtr()));
   return QUIT_DOLOOP;
 #else
   return CONTINUE;
@@ skipping 343 matching lines @@
     const base::FilePath& suggested_path) {
   return base::FilePath(suggested_path.value() + kCrdownloadSuffix);
 }
 
 #if defined(OS_WIN)
 // static
 bool DownloadTargetDeterminer::IsAdobeReaderUpToDate() {
   return g_is_adobe_reader_up_to_date_;
 }
 #endif