Moving the ViewHostMsg_PDFHasUnsupportedFeature IPC message to Chrome as PDF is a chrome specific

chrome/renderer/chrome_ppb_pdf_impl.cc

 // Copyright (c) 2011 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/renderer/chrome_ppb_pdf_impl.h"
 
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "build/build_config.h"
+#include "chrome/common/render_messages.h"
 #include "content/common/view_messages.h"
+#include "content/renderer/pepper_plugin_delegate_impl.h"
 #include "content/renderer/render_thread.h"
 #include "grit/webkit_resources.h"
 #include "grit/webkit_strings.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 #include "ppapi/shared_impl/tracker_base.h"
 #include "ppapi/shared_impl/var.h"
 #include "skia/ext/platform_canvas.h"
@@ skipping 292 matching lines @@
 void HasUnsupportedFeature(PP_Instance instance_id) {
   webkit::ppapi::PluginInstance* instance =
       webkit::ppapi::ResourceTracker::Get()->GetInstance(instance_id);
   if (!instance)
     return;
 
   // Only want to show an info bar if the pdf is the whole tab.
   if (!instance->IsFullPagePlugin())
     return;
 
-  instance->delegate()->HasUnsupportedFeature();
+  PepperPluginDelegateImpl* pepper_delegate =
+      static_cast<PepperPluginDelegateImpl*>(instance->delegate());
+
+  RenderThread::current()->Send(
+      new ChromeViewHostMsg_PDFHasUnsupportedFeature(
+          pepper_delegate->GetRoutingId()));
 }
 
 void SaveAs(PP_Instance instance_id) {
   webkit::ppapi::PluginInstance* instance =
       webkit::ppapi::ResourceTracker::Get()->GetInstance(instance_id);
   if (!instance)
     return;
   instance->delegate()->SaveURLAs(instance->plugin_url());
 }
 
@@ skipping 12 matching lines @@
   &SaveAs
 };
 
 // static
 const PPB_PDF* PPB_PDF_Impl::GetInterface() {
   return &ppb_pdf;
 }
 
 }  // namespace chrome