Base64-decode encoded ppds from the quirksserver, and update tests.

chromeos/printing/ppd_provider.cc

 // Copyright 2016 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 "chromeos/printing/ppd_provider.h"
 
 #include <unordered_map>
 #include <utility>
 
+#include "base/base64.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
 #include "base/json/json_parser.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_task_runner_handle.h"
@@ skipping 281 matching lines @@
       // PPD is too big.
       //
       // Note -- if we ever add shared-ppd-sourcing, e.g. we may serve a ppd to
       // a user that's not from an explicitly trusted source, we should also
       // check *uncompressed* size here to head off zip-bombs (e.g. let's
       // compress 1GBs of zeros into a 900kb file and see what cups does when it
       // tries to expand that...)
       ppd_contents->clear();
       return false;
     }
-    return true;
+    return base::Base64Decode(*ppd_contents, ppd_contents);
   }
 
   // Return the ResolveFetchData associated with |source|.
   std::unique_ptr<ResolveFetchData> GetResolveFetchData(
       const net::URLFetcher* source) {
     base::AutoLock l(resolve_fetches_lock_);
     auto it = resolve_fetches_.find(source);
     CHECK(it != resolve_fetches_.end());
     auto ret = std::move(it->second);
     resolve_fetches_.erase(it);
@@ skipping 141 matching lines @@
     scoped_refptr<net::URLRequestContextGetter> url_context_getter,
     scoped_refptr<base::SequencedTaskRunner> io_task_runner,
     std::unique_ptr<PpdCache> cache,
     const PpdProvider::Options& options) {
   return base::MakeUnique<PpdProviderImpl>(
       api_key, url_context_getter, io_task_runner, std::move(cache), options);
 }
 
 }  // namespace printing
 }  // namespace chromeos