[net]: Disable SdchOwner's MemoryPressureListener to investigate http://crbug.com/447208.

net/sdch/sdch_owner_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 "base/memory/memory_pressure_listener.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/simple_test_clock.h"
 #include "net/base/net_log.h"
 #include "net/base/sdch_manager.h"
@@ skipping 443 matching lines @@
 
   sdch_manager().ClearData();
   EXPECT_FALSE(DictionaryPresentInManager(server_hash_d1));
   EXPECT_FALSE(DictionaryPresentInManager(server_hash_d2));
 
   // Addition should now succeed.
   EXPECT_TRUE(CreateAndAddDictionary(kMaxSizeForTesting, nullptr));
 }
 
 // Confirm memory pressure gets all the space back.
-TEST_F(SdchOwnerTest, MemoryPressureReturnsSpace) {
+// TODO(rmcilroy) Disabled while investigating http://crbug.com/447208 -
+// re-enable once fixed.
+TEST_F(SdchOwnerTest, DISABLED_MemoryPressureReturnsSpace) {
   std::string server_hash_d1;
   std::string server_hash_d2;
 
   // Take up all the space.
   EXPECT_TRUE(CreateAndAddDictionary(kMaxSizeForTesting, &server_hash_d1));
 
   // Addition should fail.
   EXPECT_FALSE(CreateAndAddDictionary(kMaxSizeForTesting, &server_hash_d2));
 
   EXPECT_TRUE(DictionaryPresentInManager(server_hash_d1));
   EXPECT_FALSE(DictionaryPresentInManager(server_hash_d2));
 
   base::MemoryPressureListener::NotifyMemoryPressure(
       base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE);
   // The notification may have (implementation note: does :-}) use a PostTask,
   // so we drain the local message queue.  This should be safe (i.e. not have
   // an inifinite number of messages) in a unit test.
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(DictionaryPresentInManager(server_hash_d1));
   EXPECT_FALSE(DictionaryPresentInManager(server_hash_d2));
 
   // Addition should now succeed.
   EXPECT_TRUE(CreateAndAddDictionary(kMaxSizeForTesting, nullptr));
 }
 
 }  // namespace net