Make it possible to enable/disable specific ppapi tests. Migrate PostMessage tests.

ppapi/tests/test_file_io.h

 // Copyright (c) 2011 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 PAPPI_TESTS_TEST_FILE_IO_H_
 #define PAPPI_TESTS_TEST_FILE_IO_H_
 
 #include <string>
 
 #include "ppapi/tests/test_case.h"
 
 namespace pp {
 class FileSystem;
 }  // namespace pp
 
 class TestFileIO : public TestCase {
  public:
   explicit TestFileIO(TestingInstance* instance) : TestCase(instance) {}
 
   // TestCase implementation.
   virtual bool Init();
-  virtual void RunTest();
+  virtual void RunTests(const std::string& filter);
 
  private:
   enum OpenExpectation {
     CREATE_IF_DOESNT_EXIST = 1 << 0,
     DONT_CREATE_IF_DOESNT_EXIST = 1 << 1,
     OPEN_IF_EXISTS = 1 << 2,
     DONT_OPEN_IF_EXISTS = 1 << 3,
     TRUNCATE_IF_EXISTS = 1 << 4,
     DONT_TRUNCATE_IF_EXISTS = 1 << 5,
     // All values above are defined in pairs: <some_expectation> and
@@ skipping 17 matching lines @@
   // are considered as valid input:
   // 1) INVALID_FLAG_COMBINATION
   // 2) (DONT_)?CREATE_IF_DOESNT_EXIST | (DONT_)?OPEN_IF_EXISTS |
   //    (DONT_)?TRUNCATE_IF_EXISTS
   std::string MatchOpenExpectations(pp::FileSystem* file_system,
                                     size_t open_flags,
                                     size_t expectations);
 };
 
 #endif  // PAPPI_TESTS_TEST_FILE_IO_H_