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

ppapi/tests/test_paint_aggregator.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 PPAPI_TESTS_TEST_PAINT_AGGREGATOR_H_
 #define PPAPI_TESTS_TEST_PAINT_AGGREGATOR_H_
 
 #include "ppapi/tests/test_case.h"
 
 class TestPaintAggregator : public TestCase {
  public:
   TestPaintAggregator(TestingInstance* instance) : TestCase(instance) {}
 
   // TestCase implementation.
   virtual bool Init();
-  virtual void RunTest();
+  virtual void RunTests(const std::string& filter);
 
  private:
   std::string TestInitialState();
   std::string TestSingleInvalidation();
   std::string TestDoubleDisjointInvalidation();
   std::string TestSingleScroll();
   std::string TestDoubleOverlappingScroll();
   std::string TestNegatingScroll();
   std::string TestDiagonalScroll();
   std::string TestContainedPaintAfterScroll();
   std::string TestContainedPaintBeforeScroll();
   std::string TestContainedPaintsBeforeAndAfterScroll();
   std::string TestLargeContainedPaintAfterScroll();
   std::string TestLargeContainedPaintBeforeScroll();
   std::string TestOverlappingPaintBeforeScroll();
   std::string TestOverlappingPaintAfterScroll();
   std::string TestDisjointPaintBeforeScroll();
   std::string TestDisjointPaintAfterScroll();
   std::string TestContainedPaintTrimmedByScroll();
   std::string TestContainedPaintEliminatedByScroll();
   std::string TestContainedPaintAfterScrollTrimmedByScrollDamage();
   std::string TestContainedPaintAfterScrollEliminatedByScrollDamage();
 };
 
 #endif  // PPAPI_TESTS_TEST_PAINT_AGGREGATOR_H_