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

ppapi/tests/test_case.h

Index: ppapi/tests/test_case.h
diff --git a/ppapi/tests/test_case.h b/ppapi/tests/test_case.h
index 05e0d32a6b816510156462457ff8c1cfd1116d8d..ff3f1f906a069e2fb0312f7817c63d064043f0e4 100644
--- a/ppapi/tests/test_case.h
+++ b/ppapi/tests/test_case.h
@@ -38,8 +38,10 @@ class TestCase {
   virtual bool Init();
 
   // Override to implement the test. It will be called after the plugin is
-  // first displayed.
-  virtual void RunTest() = 0;
+  // first displayed, passing a string. The implementation should run all tests
+  // that contain the test_filter as a substring. E.g., passing an empty string
+  // should run all tests.
+  virtual void RunTests(const std::string& test_filter) = 0;
 
   static std::string MakeFailureMessage(const char* file, int line,
                                         const char* cmd);
@@ -140,24 +142,24 @@ class TestCaseFactory {
 // Helper macro for calling functions implementing specific tests in the
 // RunTest function. This assumes the function name is TestFoo where Foo is the
 // test |name|.
-#define RUN_TEST(name) \
-  do { \
+#define RUN_TEST(name, test_filter) \
+  if (std::string(#name).find(test_filter) != std::string::npos) { \
     force_async_ = false; \
     instance_->LogTest(#name, Test##name()); \
-  } while (false)
+  }
 
 // Like RUN_TEST above but forces functions taking callbacks to complete
 // asynchronously on success or error.
-#define RUN_TEST_FORCEASYNC(name) \
-  do { \
+#define RUN_TEST_FORCEASYNC(name, test_filter) \
+  if (std::string(#name"ForceAsync").find(test_filter) != std::string::npos) { \
     force_async_ = true; \
     instance_->LogTest(#name"ForceAsync", Test##name()); \
-  } while (false)
+  }
 
-#define RUN_TEST_FORCEASYNC_AND_NOT(name) \
+#define RUN_TEST_FORCEASYNC_AND_NOT(name, test_filter) \
   do { \
-    RUN_TEST_FORCEASYNC(name); \
-    RUN_TEST(name); \
+    RUN_TEST_FORCEASYNC(name, test_filter); \
+    RUN_TEST(name, test_filter); \
   } while (false)