Update from chromium https://crrev.com/302282

net/base/sdch_manager_unittest.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 <limits.h>
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/sdch_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 //------------------------------------------------------------------------------
+// Workaround for http://crbug.com/418975; remove when fixed.
+#if !defined(OS_IOS)
+
+//------------------------------------------------------------------------------
 // Provide sample data and compression results with a sample VCDIFF dictionary.
 // Note an SDCH dictionary has extra meta-data before the VCDIFF dictionary.
 static const char kTestVcdiffDictionary[] = "DictionaryFor"
     "SdchCompression1SdchCompression2SdchCompression3SdchCompression\n";
 
 //------------------------------------------------------------------------------
 
 class SdchManagerTest : public testing::Test {
  protected:
   SdchManagerTest()
@@ skipping 25 matching lines @@
     // The list of hashes should change iff the addition succeeds.
     return (list != list2);
   }
 
  private:
   scoped_ptr<SdchManager> sdch_manager_;
   bool default_support_;
   bool default_https_support_;
 };
 
-//------------------------------------------------------------------------------
 static std::string NewSdchDictionary(const std::string& domain) {
   std::string dictionary;
   if (!domain.empty()) {
     dictionary.append("Domain: ");
     dictionary.append(domain);
     dictionary.append("\n");
   }
   dictionary.append("\n");
   dictionary.append(kTestVcdiffDictionary, sizeof(kTestVcdiffDictionary) - 1);
   return dictionary;
@@ skipping 489 matching lines @@
 
   dictionary = NULL;
   sdch_manager()->GetVcdiffDictionary(
       server_hash,
       GURL("http://" + dictionary_domain + "/random_url"),
       &dictionary);
   EXPECT_FALSE(dictionary.get());
   EXPECT_TRUE(sdch_manager()->IsInSupportedDomain(blacklist_url));
 }
 
+#else
+
+TEST(SdchManagerTest, SdchOffByDefault) {
+  GURL google_url("http://www.google.com");
+  SdchManager* sdch_manager(new SdchManager);
+
+  EXPECT_FALSE(sdch_manager->IsInSupportedDomain(google_url));
+  SdchManager::EnableSdchSupport(true);
+  EXPECT_TRUE(sdch_manager->IsInSupportedDomain(google_url));
+}
+
+#endif  // !defined(OS_IOS)
+
 }  // namespace net