Convert src/remoting to std::string/char* away from wstring/wchar_t*.

remoting/host/json_host_config_unittest.cc

 // Copyright (c) 2010 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/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/path_service.h"
 #include "base/ref_counted.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 61 matching lines @@
   EXPECT_EQ("test@gmail.com", value);
   EXPECT_TRUE(target->GetString(kXmppAuthTokenConfigPath, &value));
   EXPECT_EQ("TEST_AUTH_TOKEN", value);
   EXPECT_TRUE(target->GetString(kHostIdConfigPath, &value));
   EXPECT_EQ("TEST_HOST_ID", value);
   EXPECT_TRUE(target->GetString(kHostNameConfigPath, &value));
   EXPECT_EQ("TEST_MACHINE_NAME", value);
   EXPECT_TRUE(target->GetString(kPrivateKeyConfigPath, &value));
   EXPECT_EQ("TEST_PRIVATE_KEY", value);
 
-  EXPECT_FALSE(target->GetString(L"non_existent_value", &value));
+  EXPECT_FALSE(target->GetString("non_existent_value", &value));
 }
 
 TEST_F(JsonHostConfigTest, Write) {
   ASSERT_TRUE(test_dir_.CreateUniqueTempDir());
 
   FilePath test_file = test_dir_.path().AppendASCII("write.json");
   WriteTestFile(test_file);
   scoped_refptr<JsonHostConfig> target(
       new JsonHostConfig(test_file, message_loop_proxy_.get()));
   ASSERT_TRUE(target->Read());
@@ skipping 19 matching lines @@
   EXPECT_EQ(new_auth_token_value, value);
   EXPECT_TRUE(reader->GetString(kHostIdConfigPath, &value));
   EXPECT_EQ("TEST_HOST_ID", value);
   EXPECT_TRUE(reader->GetString(kHostNameConfigPath, &value));
   EXPECT_EQ("TEST_MACHINE_NAME", value);
   EXPECT_TRUE(reader->GetString(kPrivateKeyConfigPath, &value));
   EXPECT_EQ("TEST_PRIVATE_KEY", value);
 }
 
 }