Use mojo for Chrome Loading, Part 1

content/browser/loader/resource_message_filter.h

Index: content/browser/loader/resource_message_filter.h
diff --git a/content/browser/loader/resource_message_filter.h b/content/browser/loader/resource_message_filter.h
index bb2dadd66fa96e099f92fc82de47948fc07ec11b..74f7d5f4097f2d1b5383042aa659fca86408e2cb 100644
--- a/content/browser/loader/resource_message_filter.h
+++ b/content/browser/loader/resource_message_filter.h
@@ -10,9 +10,11 @@
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "base/sequenced_task_runner_helpers.h"
 #include "content/browser/host_zoom_level_context.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_message_filter.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/common/resource_type.h"
 
 namespace storage {
@@ -61,6 +63,7 @@ class CONTENT_EXPORT ResourceMessageFilter : public BrowserMessageFilter {
   // BrowserMessageFilter implementation.
   void OnChannelClosing() override;
   bool OnMessageReceived(const IPC::Message& message) override;
+  void OnDestruct() const override;
 
   // |origin_pid| is only required for NPAPI plugin processes. Its value is
   // ignored otherwise.
@@ -102,6 +105,9 @@ class CONTENT_EXPORT ResourceMessageFilter : public BrowserMessageFilter {
   ~ResourceMessageFilter() override;
 
  private:
+  friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
+  friend class base::DeleteHelper<ResourceMessageFilter>;
+
   // The ID of the child process.
   int child_id_;