Remove implicit conversions from scoped_refptr to T* in c/b/renderer_host/pepper

chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.h"
 
 #include "base/bind_helpers.h"
 #include "content/public/browser/browser_ppapi_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
@@ skipping 53 matching lines @@
     ppapi::host::ReplyMessageContext reply_context =
         context->MakeReplyMessageContext();
     reply_context.params.set_result(PP_ERROR_FAILED);
     SendReply(
         reply_context,
         PpapiHostMsg_PlatformVerification_ChallengePlatformReply(
             std::vector<uint8_t>(), std::vector<uint8_t>(), std::string()));
     return PP_OK_COMPLETIONPENDING;
   }
 
-  if (!pv_)
+  if (!pv_.get())
     pv_ = new PlatformVerificationFlow();
 
   pv_->ChallengePlatformKey(
       content::WebContents::FromRenderFrameHost(rfh),
       service_id,
       std::string(challenge.begin(), challenge.end()),
       base::Bind(
           &PepperPlatformVerificationMessageFilter::ChallengePlatformCallback,
           this,
           context->MakeReplyMessageContext()));
@@ skipping 19 matching lines @@
   }
 
   SendReply(reply_context,
             PpapiHostMsg_PlatformVerification_ChallengePlatformReply(
                 std::vector<uint8_t>(signed_data.begin(), signed_data.end()),
                 std::vector<uint8_t>(signature.begin(), signature.end()),
                 platform_key_certificate));
 }
 
 }  // namespace chrome