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

ppapi/tests/test_file_ref.cc

Index: ppapi/tests/test_file_ref.cc
diff --git a/ppapi/tests/test_file_ref.cc b/ppapi/tests/test_file_ref.cc
index d6b3b366dbcae6a78d39aed3b53e1f0e0cab8f0b..b17450d182d73d6095c3335490dea751241fd7f6 100644
--- a/ppapi/tests/test_file_ref.cc
+++ b/ppapi/tests/test_file_ref.cc
@@ -44,16 +44,16 @@ bool TestFileRef::Init() {
   return InitTestingInterface() && EnsureRunningOverHTTP();
 }
 
-void TestFileRef::RunTest() {
-  RUN_TEST_FORCEASYNC_AND_NOT(Create);
-  RUN_TEST_FORCEASYNC_AND_NOT(GetFileSystemType);
-  RUN_TEST_FORCEASYNC_AND_NOT(GetName);
-  RUN_TEST_FORCEASYNC_AND_NOT(GetPath);
-  RUN_TEST_FORCEASYNC_AND_NOT(GetParent);
-  RUN_TEST_FORCEASYNC_AND_NOT(MakeDirectory);
-  RUN_TEST_FORCEASYNC_AND_NOT(QueryAndTouchFile);
-  RUN_TEST_FORCEASYNC_AND_NOT(DeleteFileAndDirectory);
-  RUN_TEST_FORCEASYNC_AND_NOT(RenameFileAndDirectory);
+void TestFileRef::RunTests(const std::string& filter) {
+  RUN_TEST_FORCEASYNC_AND_NOT(Create, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(GetFileSystemType, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(GetName, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(GetPath, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(GetParent, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(MakeDirectory, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(QueryAndTouchFile, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(DeleteFileAndDirectory, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(RenameFileAndDirectory, filter);
 }
 
 std::string TestFileRef::TestCreate() {