Windows: Find the correct path to Adobe Reader.

chrome/browser/ui/pdf/adobe_reader_info_win.cc

 // Copyright 2014 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/ui/pdf/adobe_reader_info_win.h"
 
 #include <shlwapi.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 39 matching lines @@
   // As of Win7 AppPaths can also be registered in HKCU: http://goo.gl/UgFOf.
   if (base::win::GetVersion() >= base::win::VERSION_WIN7 &&
       hkcu_key.ReadValue(kRegistryPath, &path) == ERROR_SUCCESS) {
     filepath = base::FilePath(path);
   } else {
     base::win::RegKey hklm_key(HKEY_LOCAL_MACHINE, reg_path.c_str(), KEY_READ);
     if (hklm_key.ReadValue(kRegistryPath, &path) == ERROR_SUCCESS) {
       filepath = base::FilePath(path);
     }
   }
+  filepath = filepath.Append(app);
 
   return filepath;

[cpu_(ooo_6.6-7.5), 2014/07/10 23:50:26]

lgtm but I suggest 

return filepath.Append(app);

[Lei Zhang, 2014/07/11 00:06:18]

Done.

 }
 
 bool IsPdfMimeType(const content::WebPluginMimeType& plugin_mime_type) {
   return plugin_mime_type.mime_type == kPdfMimeType;
 }
 
 AdobeReaderPluginInfo GetReaderPlugin(
     Profile* profile,
     const std::vector<content::WebPluginInfo>& plugins) {
   AdobeReaderPluginInfo reader_info;
@@ skipping 103 matching lines @@
       base::UTF16ToUTF8(file_version_info->product_version());
   // Convert 1.2.03.45 to 1.2.3.45 so base::Version considers it as valid.
   for (int i = 1; i <= 9; ++i) {
     std::string from = base::StringPrintf(".0%d", i);
     std::string to = base::StringPrintf(".%d", i);
     ReplaceSubstringsAfterOffset(&reader_version, 0, from, to);
   }
   base::Version file_version(reader_version);
   return file_version.IsValid() && !file_version.IsOlderThan(kSecureVersion);
 }