remoting: Update calls froms RunAllPending() to RunUntilIdle().

remoting/host/host_key_pair_unittest.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 <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 31 matching lines @@
   scoped_ptr<JsonHostConfig> config_;
 };
 
 TEST_F(HostKeyPairTest, SaveLoad) {
   // Save a key to a config, then load it back, and verify that we
   // generate the same signature with both keys.
   HostKeyPair exported_key;
   exported_key.LoadFromString(kTestHostKeyPair);
   exported_key.Save(config_.get());
 
-  message_loop_.RunAllPending();
+  message_loop_.RunUntilIdle();
 
   HostKeyPair imported_key;
   imported_key.Load(*config_);
 
   ASSERT_EQ(exported_key.GetSignature(kTestMessage),
             imported_key.GetSignature(kTestMessage));
 }
 
 TEST_F(HostKeyPairTest, Signatures) {
   // Sign a message and check that we get expected signature.
   HostKeyPair key_pair;
   key_pair.LoadFromString(kTestHostKeyPair);
 
   std::string signature_base64 = key_pair.GetSignature(kTestMessage);
   ASSERT_EQ(signature_base64, std::string(kExpectedSignature));
 }
 
 }  // namespace remoting