Remove CanChallengePlatform() and CheckPlatformState().

ppapi/tests/test_platform_verification_private.cc

Index: ppapi/tests/test_platform_verification_private.cc
diff --git a/ppapi/tests/test_platform_verification_private.cc b/ppapi/tests/test_platform_verification_private.cc
index f68425a4c5c3a2a69283f485efb4695dd60e25e0..978781ae7048bab7c93b44d8f1ef859c825d6497 100644
--- a/ppapi/tests/test_platform_verification_private.cc
+++ b/ppapi/tests/test_platform_verification_private.cc
@@ -18,25 +18,9 @@ TestPlatformVerificationPrivate::TestPlatformVerificationPrivate(
     : TestCase(instance) {}
 
 void TestPlatformVerificationPrivate::RunTests(const std::string& filter) {
-  RUN_CALLBACK_TEST(
-      TestPlatformVerificationPrivate, CanChallengePlatform, filter);
   RUN_CALLBACK_TEST(TestPlatformVerificationPrivate, ChallengePlatform, filter);
 }
 
-std::string TestPlatformVerificationPrivate::TestCanChallengePlatform() {
-  TestCompletionCallbackWithOutput<bool> callback(
-      instance_->pp_instance(), callback_type());
-
-  pp::PlatformVerification platform_verification_api(instance_);
-  callback.WaitForResult(platform_verification_api.CanChallengePlatform(
-      callback.GetCallback()));
-  CHECK_CALLBACK_BEHAVIOR(callback);
-
-  // Doesn't work on all platforms, so just ensure the function runs.
-  ASSERT_EQ(callback.result(), PP_OK);
-  PASS();
-}
-
 std::string TestPlatformVerificationPrivate::TestChallengePlatform() {
   pp::PlatformVerification platform_verification_api(instance_);