Plumb PPAPI PlatformVerification into CDM.h

media/cdm/ppapi/clear_key_cdm.cc

Index: media/cdm/ppapi/clear_key_cdm.cc
diff --git a/media/cdm/ppapi/clear_key_cdm.cc b/media/cdm/ppapi/clear_key_cdm.cc
index 8c561b3af093ab9f0907f90e2e4b002f4831f323..d6702ca9fcba4b4919d32eb94fb903394d35144c 100644
--- a/media/cdm/ppapi/clear_key_cdm.cc
+++ b/media/cdm/ppapi/clear_key_cdm.cc
@@ -495,6 +495,16 @@ cdm::Status ClearKeyCdm::DecryptToMediaDecoderBuffer(
   return cdm::kSuccess;
 }
 
+void ClearKeyCdm::OnPlatformChallengeResponse(
+    const cdm::PlatformChallengeResponse& response) {
+  NOTIMPLEMENTED();
+}
+
+void ClearKeyCdm::OnQueryOutputProtectionStatus(
+    uint32_t link_mask, uint32_t output_protection_mask) {
+  NOTIMPLEMENTED();
+};
+
 #if defined(CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER)
 int64 ClearKeyCdm::CurrentTimeStampInMicroseconds() const {
   return output_timestamp_base_in_microseconds_ +