base::Bind() conversion in renderer_host.

content/browser/renderer_host/render_widget_host_view_mac.h

Index: content/browser/renderer_host/render_widget_host_view_mac.h
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index f2c01fdbf357982883dd4e40ddb5582d7660d98f..e2e5963742f90a0c537b0e70888a612cfb9d9637 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -12,7 +12,7 @@
 
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/task.h"
+#include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "content/browser/accessibility/browser_accessibility_delegate_mac.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
@@ -398,7 +398,7 @@ class RenderWidgetHostViewMac : public RenderWidgetHostView {
   string16 tooltip_text_;
 
   // Factory used to safely scope delayed calls to ShutdownHost().
-  ScopedRunnableMethodFactory<RenderWidgetHostViewMac> shutdown_factory_;
+  base::WeakPtrFactory<RenderWidgetHostViewMac> weak_factory_;
 
   // selected text on the renderer.
   std::string selected_text_;