Implement browser side of PPB_Printing resource.

ppapi/tests/test_printing.h

+// 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.
+
+#ifndef PPAPI_TESTS_TEST_PRINTING_H_
+#define PPAPI_TESTS_TEST_PRINTING_H_
+
+#include <string>
+
+#include "ppapi/tests/test_case.h"
+#include "ppapi/tests/test_utils.h"
+#include "ppapi/utility/completion_callback_factory.h"
+
+struct PP_PrintSettings_Dev;
+
+class TestPrinting : public TestCase {
+ public:
+  explicit TestPrinting(TestingInstance* instance);
+
+  // TestCase implementation.
+  virtual void RunTests(const std::string& filter);
+
+ private:
+  // Tests.
+  std::string TestGetDefaultPrintSettings();
+
+  void Callback(int32_t result,
+                PP_PrintSettings_Dev&);
+
+  NestedEvent nested_event_;
+
+  pp::CompletionCallbackFactory<TestPrinting> callback_factory_;
+};
+
+#endif  // PPAPI_TESTS_TEST_PRINTING_H_