Clean up RenderWidgetHostView destruction

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 593a4ac533fabc01b8683dde775bf998409104c6..57db33f24e1a43199dbc251de90527d77b429cab 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -571,7 +571,7 @@ RenderWidgetHostViewMac::~RenderWidgetHostViewMac() {
   // RenderWidgetHost does we need to tell it not to hold a stale pointer to
   // us.
   if (render_widget_host_)
-    render_widget_host_->SetView(NULL);
+    render_widget_host_->ViewDestroyed(this);
 }
 
 void RenderWidgetHostViewMac::SetDelegate(
@@ -974,11 +974,6 @@ void RenderWidgetHostViewMac::ImeCompositionRangeChanged(
   composition_bounds_ = character_bounds;
 }
 
-void RenderWidgetHostViewMac::RenderProcessGone(base::TerminationStatus status,
-                                                int error_code) {
-  Destroy();
-}
-
 void RenderWidgetHostViewMac::Destroy() {
   [[NSNotificationCenter defaultCenter]
       removeObserver:cocoa_view_
@@ -1011,6 +1006,7 @@ void RenderWidgetHostViewMac::Destroy() {
   // by some other code.  Examples are WebContentsViewMac's
   // |latent_focus_view_| and TabWindowController's
   // |cachedContentView_|.
+  render_widget_host_->ViewDestroyed(this);
   render_widget_host_ = NULL;
 }