Update some uses of char16 to use the base:: namespace.

cloud_print/service/win/chrome_launcher.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 "cloud_print/service/win/chrome_launcher.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 14 matching lines @@
 #include "cloud_print/service/win/service_utils.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "net/base/url_util.h"
 #include "url/gurl.h"
 
 namespace {
 
 const int kShutdownTimeoutMs = 30 * 1000;
 const int kUsageUpdateTimeoutMs = 6 * 3600 * 1000;  // 6 hours.
 
-static const char16 kAutoRunKeyPath[] =
+static const base::char16 kAutoRunKeyPath[] =
     L"Software\\Microsoft\\Windows\\CurrentVersion\\Run";
 
 // Terminates any process.
 void ShutdownChrome(HANDLE process, DWORD thread_id) {
   if (::PostThreadMessage(thread_id, WM_QUIT, 0, 0) &&
       WAIT_OBJECT_0 == ::WaitForSingleObject(process, kShutdownTimeoutMs)) {
     return;
   }
   LOG(ERROR) << "Failed to shutdown process.";
   base::KillProcess(process, 0, true);
@@ skipping 292 matching lines @@
       }
     } else {
       LOG(ERROR) << "Chrome launch failed.";
       return result;
     }
   }
   NOTREACHED();
   return std::string();
 }