Update from https://crrev.com/308996

net/base/sdch_manager.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 "net/base/sdch_manager.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 32 matching lines @@
 #if defined(OS_ANDROID) || defined(OS_IOS)
 // static
 const size_t SdchManager::kMaxDictionaryCount = 1;
 const size_t SdchManager::kMaxDictionarySize = 500 * 1000;
 #else
 // static
 const size_t SdchManager::kMaxDictionaryCount = 20;
 const size_t SdchManager::kMaxDictionarySize = 1000 * 1000;
 #endif
 
+// Workaround for http://crbug.com/437794; remove when fixed.
+#if defined(OS_IOS)
+// static
+bool SdchManager::g_sdch_enabled_ = false;
+#else
 // static
 bool SdchManager::g_sdch_enabled_ = true;
+#endif
 
 // static
 bool SdchManager::g_secure_scheme_supported_ = true;
 
 SdchManager::Dictionary::Dictionary(const std::string& dictionary_text,
                                     size_t offset,
                                     const std::string& client_hash,
                                     const GURL& gurl,
                                     const std::string& domain,
                                     const std::string& path,
@@ skipping 601 matching lines @@
       entry_dict->SetInteger("tries", it->second.count);
     entry_dict->SetInteger("reason", it->second.reason);
     entry_list->Append(entry_dict);
   }
   value->Set("blacklisted", entry_list);
 
   return value;
 }
 
 }  // namespace net