Remove CanChallengePlatform() and CheckPlatformState().

chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc

Index: chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc
diff --git a/chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc b/chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc
index 23c2b7a29ba1d078daf5da8b2f59c82b461e1aba..e51c4e519f8426bfc3223012fa9a7f0d00bdac16 100644
--- a/chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc
+++ b/chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc
@@ -43,9 +43,6 @@ int32_t PepperPlatformVerificationMessageFilter::OnResourceMessageReceived(
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   IPC_BEGIN_MESSAGE_MAP(PepperPlatformVerificationMessageFilter, msg)
-    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(
-        PpapiHostMsg_PlatformVerification_CanChallengePlatform,
-        OnCanChallengePlatform)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(
         PpapiHostMsg_PlatformVerification_ChallengePlatform,
         OnChallengePlatform)
@@ -54,18 +51,6 @@ int32_t PepperPlatformVerificationMessageFilter::OnResourceMessageReceived(
   return PP_ERROR_FAILED;
 }
 
-int32_t PepperPlatformVerificationMessageFilter::OnCanChallengePlatform(
-    ppapi::host::HostMessageContext* context) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-  if (!pv_)
-    pv_.reset(new PlatformVerificationFlow());
-  pv_->CheckPlatformState(base::Bind(
-      &PepperPlatformVerificationMessageFilter::CanChallengePlatformCallback,
-      this,
-      context->MakeReplyMessageContext()));
-  return PP_OK_COMPLETIONPENDING;
-}
-
 int32_t PepperPlatformVerificationMessageFilter::OnChallengePlatform(
     ppapi::host::HostMessageContext* context,
     const std::string& service_id,
@@ -101,16 +86,6 @@ int32_t PepperPlatformVerificationMessageFilter::OnChallengePlatform(
   return PP_OK_COMPLETIONPENDING;
 }
 
-void PepperPlatformVerificationMessageFilter::CanChallengePlatformCallback(
-    ppapi::host::ReplyMessageContext reply_context,
-    bool can_challenge_platform) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-  reply_context.params.set_result(PP_OK);
-  SendReply(reply_context,
-            PpapiHostMsg_PlatformVerification_CanChallengePlatformReply(
-                can_challenge_platform));
-}
-
 void PepperPlatformVerificationMessageFilter::ChallengePlatformCallback(
     ppapi::host::ReplyMessageContext reply_context,
     chromeos::attestation::PlatformVerificationFlow::Result challenge_result,