[fsp] Use auto generated methods for generating dictionaries.

chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc

Index: chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc
diff --git a/chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc b/chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc
index 3323623ce0158c78a864f3f30c4cc4789712c839..36a8ac64c44729c72b23457709020439b7e6e549 100644
--- a/chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc
+++ b/chrome/browser/chromeos/file_system_provider/operations/create_file_unittest.cc
@@ -49,6 +49,8 @@ class FileSystemProviderOperationsCreateFileTest : public testing::Test {
 };
 
 TEST_F(FileSystemProviderOperationsCreateFileTest, Execute) {
+  using extensions::api::file_system_provider::CreateFileRequestedOptions;
+
   util::LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
@@ -70,20 +72,15 @@ TEST_F(FileSystemProviderOperationsCreateFileTest, Execute) {
   base::ListValue* event_args = event->event_args.get();
   ASSERT_EQ(1u, event_args->GetSize());
 
-  base::DictionaryValue* options = NULL;
-  ASSERT_TRUE(event_args->GetDictionary(0, &options));
-
-  std::string event_file_system_id;
-  EXPECT_TRUE(options->GetString("fileSystemId", &event_file_system_id));
-  EXPECT_EQ(kFileSystemId, event_file_system_id);
-
-  int event_request_id = -1;
-  EXPECT_TRUE(options->GetInteger("requestId", &event_request_id));
-  EXPECT_EQ(kRequestId, event_request_id);
+  const base::DictionaryValue* options_as_value = NULL;
+  ASSERT_TRUE(event_args->GetDictionary(0, &options_as_value));
 
-  std::string event_file_path;
-  EXPECT_TRUE(options->GetString("filePath", &event_file_path));
-  EXPECT_EQ(kFilePath, event_file_path);
+  CreateFileRequestedOptions options;
+  ASSERT_TRUE(
+      CreateFileRequestedOptions::Populate(*options_as_value, &options));
+  EXPECT_EQ(kFileSystemId, options.file_system_id);
+  EXPECT_EQ(kRequestId, options.request_id);
+  EXPECT_EQ(kFilePath, options.file_path);
 }
 
 TEST_F(FileSystemProviderOperationsCreateFileTest, Execute_NoListener) {