Revert of Gather the ServiceWorker client information in the browser process.

content/browser/service_worker/service_worker_provider_host.cc

Index: content/browser/service_worker/service_worker_provider_host.cc
diff --git a/content/browser/service_worker/service_worker_provider_host.cc b/content/browser/service_worker/service_worker_provider_host.cc
index 5e4bea83ee1be62979039befcb27b56ef25834e4..c5f9b16ef4a6d94b5beac935992e2af8a2e0875f 100644
--- a/content/browser/service_worker/service_worker_provider_host.cc
+++ b/content/browser/service_worker/service_worker_provider_host.cc
@@ -5,7 +5,6 @@
 #include "content/browser/service_worker/service_worker_provider_host.h"
 
 #include "base/stl_util.h"
-#include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_request_handler.h"
@@ -42,31 +41,6 @@
 
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(callback, result));
-}
-
-void GetClientInfoOnUIThread(
-    int render_process_id,
-    int render_frame_id,
-    const ServiceWorkerProviderHost::GetClientInfoCallback& callback) {
-  RenderFrameHostImpl* render_frame_host = static_cast<RenderFrameHostImpl*>(
-      RenderFrameHost::FromID(render_process_id, render_frame_id));
-  if (!render_frame_host) {
-    BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
-                            base::Bind(callback, ServiceWorkerClientInfo()));
-  }
-
-  // TODO(mlamouri,michaeln): it is possible to end up collecting information
-  // for a frame that is actually being navigated and isn't exactly what we are
-  // expecting.
-  ServiceWorkerClientInfo client_info(
-      render_frame_host->GetVisibilityState(),
-      render_frame_host->IsFocused(),
-      render_frame_host->GetLastCommittedURL(),
-      render_frame_host->GetParent() ? REQUEST_CONTEXT_FRAME_TYPE_NESTED
-                                     : REQUEST_CONTEXT_FRAME_TYPE_TOP_LEVEL);
-
-  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
-                          base::Bind(callback, client_info));
 }
 
 }  // anonymous namespace
@@ -296,12 +270,10 @@
 }
 
 void ServiceWorkerProviderHost::GetClientInfo(
-    const GetClientInfoCallback& callback) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                          base::Bind(&GetClientInfoOnUIThread,
-                                     render_process_id_,
-                                     render_frame_id_,
-                                     callback));
+    int embedded_worker_id,
+    int request_id) {
+  Send(new ServiceWorkerMsg_GetClientInfo(
+      kDocumentMainThreadId, embedded_worker_id, request_id, provider_id()));
 }
 
 void ServiceWorkerProviderHost::AddScopedProcessReferenceToPattern(