Refactor some ResourceMessageReply usages.

chrome/renderer/pepper/pepper_extensions_common_host.cc

Index: chrome/renderer/pepper/pepper_extensions_common_host.cc
diff --git a/chrome/renderer/pepper/pepper_extensions_common_host.cc b/chrome/renderer/pepper/pepper_extensions_common_host.cc
index 754c497d67a42bc7de4a262d811158c2532bb913..3397a1420d0405e10de38897e0103f5b3f78c6f9 100644
--- a/chrome/renderer/pepper/pepper_extensions_common_host.cc
+++ b/chrome/renderer/pepper/pepper_extensions_common_host.cc
@@ -84,12 +84,13 @@ int32_t PepperExtensionsCommonHost::OnResourceMessageReceived(
 }
 
 void PepperExtensionsCommonHost::OnResponseReceived(
-    scoped_ptr<ppapi::host::ReplyMessageContext> context,
+    const ppapi::host::ReplyMessageContext& reply_context,
     bool success,
     const base::ListValue& response,
     const std::string& /* error */) {
-  context->params.set_result(success ? PP_OK : PP_ERROR_FAILED);
-  SendReply(*context, PpapiPluginMsg_ExtensionsCommon_CallReply(response));
+  ppapi::host::ReplyMessageContext context(reply_context);
+  context.params.set_result(success ? PP_OK : PP_ERROR_FAILED);
+  SendReply(context, PpapiPluginMsg_ExtensionsCommon_CallReply(response));
 }
 
 int32_t PepperExtensionsCommonHost::OnPost(
@@ -107,12 +108,10 @@ int32_t PepperExtensionsCommonHost::OnCall(
     const std::string& request_name,
     const base::ListValue& args) {
   std::string error;
-  scoped_ptr<ppapi::host::ReplyMessageContext> message_context(
-      new ppapi::host::ReplyMessageContext(context->MakeReplyMessageContext()));
   bool success = pepper_request_proxy_->StartRequest(
       base::Bind(&PepperExtensionsCommonHost::OnResponseReceived,
                  weak_factory_.GetWeakPtr(),
-                 base::Passed(&message_context)),
+                 context->MakeReplyMessageContext()),
       request_name,
       args,
       &error);