Manual fixups in PPAPI for scoped_refptr operator T* removal.

BUG=110610

Review URL: https://codereview.chromium.org/515283002

Cr-Commit-Position: refs/heads/master@{#292586}

content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc

@@ -37,7 +37,7 @@ BrowserPpapiHost* BrowserPpapiHost::CreateExternalPluginProcess(
   scoped_refptr<PepperMessageFilter> pepper_message_filter(
       new PepperMessageFilter());
   channel->AddFilter(pepper_message_filter->GetFilter());
-  channel->AddFilter(browser_ppapi_host->message_filter());
+  channel->AddFilter(browser_ppapi_host->message_filter().get());
   channel->AddFilter((new TraceMessageFilter())->GetFilter());
 
   return browser_ppapi_host;

content/browser/renderer_host/pepper/pepper_file_io_host.cc

@@ -109,7 +109,8 @@ PepperFileIOHost::PepperFileIOHost(BrowserPpapiHostImpl* host,
     : ResourceHost(host->GetPpapiHost(), instance, resource),
       browser_ppapi_host_(host),
       render_process_host_(NULL),
-      file_(BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)),
+      file_(BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)
+                .get()),
       open_flags_(0),
       file_system_type_(PP_FILESYSTEMTYPE_INVALID),
       max_written_offset_(0),

ppapi/proxy/plugin_globals.cc

@@ -172,7 +172,7 @@ base::TaskRunner* PluginGlobals::GetFileTaskRunner() {
     options.message_loop_type = base::MessageLoop::TYPE_IO;
     file_thread_->StartWithOptions(options);
   }
-  return file_thread_->message_loop_proxy();
+  return file_thread_->message_loop_proxy().get();
 }
 
 void PluginGlobals::MarkPluginIsActive() {