json_schema_compiler: Use std::vector<char> for binary values.

chrome/browser/chromeos/file_system_provider/operations/write_file_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 "chrome/browser/chromeos/file_system_provider/operations/write_file.h"
 
 #include <string>
+#include <vector>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/test_util.h"
 #include "chrome/common/extensions/api/file_system_provider.h"
 #include "chrome/common/extensions/api/file_system_provider_internal.h"
 #include "extensions/browser/event_router.h"
 #include "net/base/io_buffer.h"
 #include "storage/browser/fileapi/async_file_util.h"
@@ skipping 59 matching lines @@
 
   const base::DictionaryValue* options_as_value = NULL;
   ASSERT_TRUE(event_args->GetDictionary(0, &options_as_value));
 
   WriteFileRequestedOptions options;
   ASSERT_TRUE(WriteFileRequestedOptions::Populate(*options_as_value, &options));
   EXPECT_EQ(kFileSystemId, options.file_system_id);
   EXPECT_EQ(kRequestId, options.request_id);
   EXPECT_EQ(kFileHandle, options.open_request_id);
   EXPECT_EQ(kOffset, static_cast<double>(options.offset));
-  EXPECT_EQ(std::string(kWriteData), options.data);
+  EXPECT_EQ(std::vector<char>(kWriteData, kWriteData + arraysize(kWriteData)),
+            options.data);
 }
 
 TEST_F(FileSystemProviderOperationsWriteFileTest, Execute_NoListener) {
   util::LoggingDispatchEventImpl dispatcher(false /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
   WriteFile write_file(NULL,
                        file_system_info_,
                        kFileHandle,
                        io_buffer_.get(),
@@ skipping 75 matching lines @@
                      scoped_ptr<RequestValue>(new RequestValue()),
                      base::File::FILE_ERROR_TOO_MANY_OPENED);
 
   ASSERT_EQ(1u, callback_log.size());
   EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, callback_log[0]);
 }
 
 }  // namespace operations
 }  // namespace file_system_provider
 }  // namespace chromeos