Send Allow{Database,FileSystem,IndexedDB} sync IPCs directly from worker thread

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 8c366d36b84d1cebad2dae52cfbfa4150ee983d6..e026cf52333c28f35809184fe109ff353cc24b92 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -63,6 +63,7 @@
 #include "chrome/renderer/searchbox/searchbox_extension.h"
 #include "chrome/renderer/tts_dispatcher.h"
 #include "chrome/renderer/validation_message_agent.h"
+#include "chrome/renderer/worker_permission_client_proxy.h"
 #include "components/autofill/content/renderer/autofill_agent.h"
 #include "components/autofill/content/renderer/password_autofill_agent.h"
 #include "components/autofill/content/renderer/password_generation_agent.h"
@@ -1396,4 +1397,11 @@ bool ChromeContentRendererClient::ShouldEnableSiteIsolationPolicy() const {
   return !command_line->HasSwitch(switches::kExtensionProcess);
 }
 
+WebKit::WebWorkerPermissionClientProxy*
+ChromeContentRendererClient::CreateWorkerPermissionClientProxy(
+    content::RenderView* render_view,
+    WebKit::WebFrame* frame) {
+  return new WorkerPermissionClientProxy(render_view, frame);
+}
+
 }  // namespace chrome